sticksstones12 - Mathbox for metakunt

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Theorem sticksstones12 42176

Description: Establish bijective mapping between strictly monotone functions and functions that sum to a fixed non-negative integer. (Contributed by metakunt, 6-Oct-2024.)

**Hypotheses**
Ref	Expression
sticksstones12.1	⊢ (𝜑 → 𝑁 ∈ ℕ₀)
sticksstones12.2	⊢ (𝜑 → 𝐾 ∈ ℕ)
sticksstones12.3	⊢ 𝐹 = (𝑎 ∈ 𝐴 ↦ (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙))))
sticksstones12.4	⊢ 𝐺 = (𝑏 ∈ 𝐵 ↦ if(𝐾 = 0, {⟨1, 𝑁⟩}, (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))))))
sticksstones12.5	⊢ 𝐴 = {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)}
sticksstones12.6	⊢ 𝐵 = {𝑓 ∣ (𝑓:(1...𝐾)⟶(1...(𝑁 + 𝐾)) ∧ ∀𝑥 ∈ (1...𝐾)∀𝑦 ∈ (1...𝐾)(𝑥 < 𝑦 → (𝑓‘𝑥) < (𝑓‘𝑦)))}

**Assertion**
Ref	Expression
sticksstones12	⊢ (𝜑 → 𝐹:𝐴–1-1-onto→𝐵)

Distinct variable groups: 𝐴,𝑎,𝑗,𝑘,𝑙 𝐴,𝑏,𝑘,𝑥,𝑦 𝑥,𝑎,𝑦,𝑗,𝑘,𝑙 𝐵,𝑎,𝑖,𝑘,𝑙 𝐵,𝑏 𝐵,𝑗 𝐹,𝑏,𝑘 𝐾,𝑎,𝑓,𝑗,𝑙,𝑥,𝑦 𝐾,𝑏,𝑘,𝑔,𝑖 𝑔,𝑎,𝑖,𝑘,𝑁 𝑓,𝑁,𝑗,𝑙 𝑁,𝑏,𝑘,𝑔,𝑖 𝜑,𝑎,𝑖,𝑘,𝑙 𝜑,𝑏 𝜑,𝑗,𝑥,𝑦 𝑖,𝑏 𝑓,𝑏,𝑥,𝑦 𝑔,𝑏 Allowed substitution hints: 𝜑(𝑓,𝑔) 𝐴(𝑓,𝑔,𝑖) 𝐵(𝑥,𝑦,𝑓,𝑔) 𝐹(𝑥,𝑦,𝑓,𝑔,𝑖,𝑗,𝑎,𝑙) 𝐺(𝑥,𝑦,𝑓,𝑔,𝑖,𝑗,𝑘,𝑎,𝑏,𝑙) 𝑁(𝑥,𝑦)

Proof of Theorem sticksstones12 Dummy variables 𝑐 𝑑 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		sticksstones12.1	. . 3 ⊢ (𝜑 → 𝑁 ∈ ℕ₀)
2		sticksstones12.2	. . . 4 ⊢ (𝜑 → 𝐾 ∈ ℕ)
3	2	nnnn0d 12567	. . 3 ⊢ (𝜑 → 𝐾 ∈ ℕ₀)
4		sticksstones12.3	. . 3 ⊢ 𝐹 = (𝑎 ∈ 𝐴 ↦ (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙))))
5		sticksstones12.5	. . 3 ⊢ 𝐴 = {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)}
6		sticksstones12.6	. . 3 ⊢ 𝐵 = {𝑓 ∣ (𝑓:(1...𝐾)⟶(1...(𝑁 + 𝐾)) ∧ ∀𝑥 ∈ (1...𝐾)∀𝑦 ∈ (1...𝐾)(𝑥 < 𝑦 → (𝑓‘𝑥) < (𝑓‘𝑦)))}
7	1, 3, 4, 5, 6	sticksstones8 42171	. 2 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
8		sticksstones12.4	. . 3 ⊢ 𝐺 = (𝑏 ∈ 𝐵 ↦ if(𝐾 = 0, {⟨1, 𝑁⟩}, (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))))))
9	1, 2, 8, 5, 6	sticksstones10 42173	. 2 ⊢ (𝜑 → 𝐺:𝐵⟶𝐴)
10	8	a1i 11	. . . . . . 7 ⊢ (𝜑 → 𝐺 = (𝑏 ∈ 𝐵 ↦ if(𝐾 = 0, {⟨1, 𝑁⟩}, (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1)))))))
11		0red 11243	. . . . . . . . . . . . 13 ⊢ (𝜑 → 0 ∈ ℝ)
12	2	nngt0d 12294	. . . . . . . . . . . . 13 ⊢ (𝜑 → 0 < 𝐾)
13	11, 12	ltned 11376	. . . . . . . . . . . 12 ⊢ (𝜑 → 0 ≠ 𝐾)
14	13	necomd 2988	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐾 ≠ 0)
15	14	neneqd 2938	. . . . . . . . . 10 ⊢ (𝜑 → ¬ 𝐾 = 0)
16	15	iffalsed 4516	. . . . . . . . 9 ⊢ (𝜑 → if(𝐾 = 0, {⟨1, 𝑁⟩}, (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))))) = (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1)))))
17	16	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑏 ∈ 𝐵) → if(𝐾 = 0, {⟨1, 𝑁⟩}, (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))))) = (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1)))))
18	17	mpteq2dva 5219	. . . . . . 7 ⊢ (𝜑 → (𝑏 ∈ 𝐵 ↦ if(𝐾 = 0, {⟨1, 𝑁⟩}, (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1)))))) = (𝑏 ∈ 𝐵 ↦ (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))))))
19	10, 18	eqtrd 2771	. . . . . 6 ⊢ (𝜑 → 𝐺 = (𝑏 ∈ 𝐵 ↦ (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))))))
20	19	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝐺 = (𝑏 ∈ 𝐵 ↦ (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))))))
21		fveq1 6880	. . . . . . . . . 10 ⊢ (𝑏 = (𝐹‘𝑐) → (𝑏‘𝐾) = ((𝐹‘𝑐)‘𝐾))
22	21	oveq2d 7426	. . . . . . . . 9 ⊢ (𝑏 = (𝐹‘𝑐) → ((𝑁 + 𝐾) − (𝑏‘𝐾)) = ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)))
23		fveq1 6880	. . . . . . . . . . 11 ⊢ (𝑏 = (𝐹‘𝑐) → (𝑏‘1) = ((𝐹‘𝑐)‘1))
24	23	oveq1d 7425	. . . . . . . . . 10 ⊢ (𝑏 = (𝐹‘𝑐) → ((𝑏‘1) − 1) = (((𝐹‘𝑐)‘1) − 1))
25		fveq1 6880	. . . . . . . . . . . 12 ⊢ (𝑏 = (𝐹‘𝑐) → (𝑏‘𝑘) = ((𝐹‘𝑐)‘𝑘))
26		fveq1 6880	. . . . . . . . . . . 12 ⊢ (𝑏 = (𝐹‘𝑐) → (𝑏‘(𝑘 − 1)) = ((𝐹‘𝑐)‘(𝑘 − 1)))
27	25, 26	oveq12d 7428	. . . . . . . . . . 11 ⊢ (𝑏 = (𝐹‘𝑐) → ((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) = (((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))))
28	27	oveq1d 7425	. . . . . . . . . 10 ⊢ (𝑏 = (𝐹‘𝑐) → (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1) = ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1))
29	24, 28	ifeq12d 4527	. . . . . . . . 9 ⊢ (𝑏 = (𝐹‘𝑐) → if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1)) = if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)))
30	22, 29	ifeq12d 4527	. . . . . . . 8 ⊢ (𝑏 = (𝐹‘𝑐) → if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))) = if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1))))
31	30	adantr 480	. . . . . . 7 ⊢ ((𝑏 = (𝐹‘𝑐) ∧ 𝑘 ∈ (1...(𝐾 + 1))) → if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1))) = if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1))))
32	31	mpteq2dva 5219	. . . . . 6 ⊢ (𝑏 = (𝐹‘𝑐) → (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1)))) = (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)))))
33	32	adantl 481	. . . . 5 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑏 = (𝐹‘𝑐)) → (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − (𝑏‘𝐾)), if(𝑘 = 1, ((𝑏‘1) − 1), (((𝑏‘𝑘) − (𝑏‘(𝑘 − 1))) − 1)))) = (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)))))
34	7	ffvelcdmda 7079	. . . . 5 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐹‘𝑐) ∈ 𝐵)
35		fzfid 13996	. . . . . 6 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (1...(𝐾 + 1)) ∈ Fin)
36	35	mptexd 7221	. . . . 5 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)))) ∈ V)
37	20, 33, 34, 36	fvmptd 6998	. . . 4 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐺‘(𝐹‘𝑐)) = (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)))))
38	4	a1i 11	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝐹 = (𝑎 ∈ 𝐴 ↦ (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙)))))
39		simpllr 775	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) ∧ 𝑙 ∈ (1...𝑗)) → 𝑎 = 𝑐)
40	39	fveq1d 6883	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) ∧ 𝑙 ∈ (1...𝑗)) → (𝑎‘𝑙) = (𝑐‘𝑙))
41	40	sumeq2dv 15723	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) → Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙) = Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))
42	41	oveq2d 7426	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) → (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙)) = (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))
43	42	mpteq2dva 5219	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑎 = 𝑐) → (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙))) = (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))))
44		simpr 484	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝑐 ∈ 𝐴)
45		fzfid 13996	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (1...𝐾) ∈ Fin)
46	45	mptexd 7221	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))) ∈ V)
47	38, 43, 44, 46	fvmptd 6998	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐹‘𝑐) = (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))))
48		simpr 484	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 𝐾) → 𝑗 = 𝐾)
49	48	oveq2d 7426	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 𝐾) → (1...𝑗) = (1...𝐾))
50	49	sumeq1d 15721	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 𝐾) → Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙) = Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))
51	48, 50	oveq12d 7428	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 𝐾) → (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)) = (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙)))
52		1zzd 12628	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 1 ∈ ℤ)
53	3	nn0zd 12619	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐾 ∈ ℤ)
54	2	nnge1d 12293	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 1 ≤ 𝐾)
55	2	nnred 12260	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝐾 ∈ ℝ)
56	55	leidd 11808	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐾 ≤ 𝐾)
57	52, 53, 53, 54, 56	elfzd 13537	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝐾 ∈ (1...𝐾))
58	57	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝐾 ∈ (1...𝐾))
59		ovexd 7445	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙)) ∈ V)
60	47, 51, 58, 59	fvmptd 6998	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝐹‘𝑐)‘𝐾) = (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙)))
61	60	oveq2d 7426	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)) = ((𝑁 + 𝐾) − (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))))
62	1	nn0cnd 12569	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝑁 ∈ ℂ)
63	62	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝑁 ∈ ℂ)
64	55	recnd 11268	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐾 ∈ ℂ)
65	64	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝐾 ∈ ℂ)
66	63, 65	addcomd 11442	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑁 + 𝐾) = (𝐾 + 𝑁))
67	66	oveq1d 7425	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝑁 + 𝐾) − (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))) = ((𝐾 + 𝑁) − (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))))
68		1zzd 12628	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 1 ∈ ℤ)
69	53	ad2antrr 726	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝐾 ∈ ℤ)
70	69	peano2zd 12705	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → (𝐾 + 1) ∈ ℤ)
71		elfzelz 13546	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑙 ∈ (1...𝐾) → 𝑙 ∈ ℤ)
72	71	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝑙 ∈ ℤ)
73		elfzle1 13549	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑙 ∈ (1...𝐾) → 1 ≤ 𝑙)
74	73	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 1 ≤ 𝑙)
75	72	zred 12702	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝑙 ∈ ℝ)
76	55	ad2antrr 726	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝐾 ∈ ℝ)
77	70	zred 12702	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → (𝐾 + 1) ∈ ℝ)
78		elfzle2 13550	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑙 ∈ (1...𝐾) → 𝑙 ≤ 𝐾)
79	78	adantl 481	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝑙 ≤ 𝐾)
80	76	lep1d 12178	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝐾 ≤ (𝐾 + 1))
81	75, 76, 77, 79, 80	letrd 11397	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝑙 ≤ (𝐾 + 1))
82	68, 70, 72, 74, 81	elfzd 13537	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝑙 ∈ (1...(𝐾 + 1)))
83	5	eleq2i 2827	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (𝑐 ∈ 𝐴 ↔ 𝑐 ∈ {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)})
84	83	biimpi 216	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑐 ∈ 𝐴 → 𝑐 ∈ {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)})
85	84	adantl 481	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝑐 ∈ {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)})
86		vex 3468	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ 𝑐 ∈ V
87		feq1 6691	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ (𝑔 = 𝑐 → (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ↔ 𝑐:(1...(𝐾 + 1))⟶ℕ₀))
88		simpl 482	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((𝑔 = 𝑐 ∧ 𝑖 ∈ (1...(𝐾 + 1))) → 𝑔 = 𝑐)
89	88	fveq1d 6883	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝑔 = 𝑐 ∧ 𝑖 ∈ (1...(𝐾 + 1))) → (𝑔‘𝑖) = (𝑐‘𝑖))
90	89	sumeq2dv 15723	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (𝑔 = 𝑐 → Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖))
91	90	eqeq1d 2738	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ (𝑔 = 𝑐 → (Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁 ↔ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖) = 𝑁))
92	87, 91	anbi12d 632	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (𝑔 = 𝑐 → ((𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁) ↔ (𝑐:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖) = 𝑁)))
93	86, 92	elab 3663	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (𝑐 ∈ {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)} ↔ (𝑐:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖) = 𝑁))
94	93	a1i 11	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑐 ∈ {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)} ↔ (𝑐:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖) = 𝑁)))
95	94	biimpd 229	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑐 ∈ {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)} → (𝑐:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖) = 𝑁)))
96	85, 95	mpd 15	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑐:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖) = 𝑁))
97	96	simpld 494	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝑐:(1...(𝐾 + 1))⟶ℕ₀)
98	97	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → 𝑐:(1...(𝐾 + 1))⟶ℕ₀)
99	98	ffvelcdmda 7079	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) ∧ 𝑙 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑙) ∈ ℕ₀)
100	82, 99	mpdan 687	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...𝐾)) → (𝑐‘𝑙) ∈ ℕ₀)
101	45, 100	fsumnn0cl 15757	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙) ∈ ℕ₀)
102	101	nn0cnd 12569	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙) ∈ ℂ)
103	65, 63, 102	pnpcand 11636	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝐾 + 𝑁) − (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))) = (𝑁 − Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙)))
104		eqid 2736	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 1 = 1
105		1p0e1 12369	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (1 + 0) = 1
106	104, 105	eqtr4i 2762	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ 1 = (1 + 0)
107	106	a1i 11	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝜑 → 1 = (1 + 0))
108		1red 11241	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝜑 → 1 ∈ ℝ)
109		0le1 11765	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 0 ≤ 1
110	109	a1i 11	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝜑 → 0 ≤ 1)
111	108, 11, 55, 108, 54, 110	le2addd 11861	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝜑 → (1 + 0) ≤ (𝐾 + 1))
112	107, 111	eqbrtrd 5146	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → 1 ≤ (𝐾 + 1))
113	53	peano2zd 12705	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝜑 → (𝐾 + 1) ∈ ℤ)
114		eluz 12871	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((1 ∈ ℤ ∧ (𝐾 + 1) ∈ ℤ) → ((𝐾 + 1) ∈ (ℤ_≥‘1) ↔ 1 ≤ (𝐾 + 1)))
115	52, 113, 114	syl2anc 584	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝜑 → ((𝐾 + 1) ∈ (ℤ_≥‘1) ↔ 1 ≤ (𝐾 + 1)))
116	112, 115	mpbird 257	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (𝐾 + 1) ∈ (ℤ_≥‘1))
117	116	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐾 + 1) ∈ (ℤ_≥‘1))
118	97	ffvelcdmda 7079	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑙) ∈ ℕ₀)
119	118	nn0cnd 12569	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑙) ∈ ℂ)
120		fveq2 6881	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑙 = (𝐾 + 1) → (𝑐‘𝑙) = (𝑐‘(𝐾 + 1)))
121	117, 119, 120	fsumm1 15772	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...(𝐾 + 1))(𝑐‘𝑙) = (Σ𝑙 ∈ (1...((𝐾 + 1) − 1))(𝑐‘𝑙) + (𝑐‘(𝐾 + 1))))
122		1cnd 11235	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ∈ ℂ)
123	65, 122	pncand 11600	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝐾 + 1) − 1) = 𝐾)
124	123	oveq2d 7426	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (1...((𝐾 + 1) − 1)) = (1...𝐾))
125	124	sumeq1d 15721	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...((𝐾 + 1) − 1))(𝑐‘𝑙) = Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))
126	125	oveq1d 7425	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (Σ𝑙 ∈ (1...((𝐾 + 1) − 1))(𝑐‘𝑙) + (𝑐‘(𝐾 + 1))) = (Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙) + (𝑐‘(𝐾 + 1))))
127	121, 126	eqtrd 2771	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...(𝐾 + 1))(𝑐‘𝑙) = (Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙) + (𝑐‘(𝐾 + 1))))
128	127	eqcomd 2742	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙) + (𝑐‘(𝐾 + 1))) = Σ𝑙 ∈ (1...(𝐾 + 1))(𝑐‘𝑙))
129		fveq2 6881	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑙 = 𝑖 → (𝑐‘𝑙) = (𝑐‘𝑖))
130		nfcv 2899	. . . . . . . . . . . . . . . . . . 19 ⊢ Ⅎ𝑖(𝑐‘𝑙)
131		nfcv 2899	. . . . . . . . . . . . . . . . . . 19 ⊢ Ⅎ𝑙(𝑐‘𝑖)
132	129, 130, 131	cbvsum 15716	. . . . . . . . . . . . . . . . . 18 ⊢ Σ𝑙 ∈ (1...(𝐾 + 1))(𝑐‘𝑙) = Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖)
133	132	a1i 11	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...(𝐾 + 1))(𝑐‘𝑙) = Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖))
134	96	simprd 495	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑖 ∈ (1...(𝐾 + 1))(𝑐‘𝑖) = 𝑁)
135	133, 134	eqtrd 2771	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...(𝐾 + 1))(𝑐‘𝑙) = 𝑁)
136	128, 135	eqtrd 2771	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙) + (𝑐‘(𝐾 + 1))) = 𝑁)
137		1zzd 12628	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ∈ ℤ)
138	53	adantr 480	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝐾 ∈ ℤ)
139	138	peano2zd 12705	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐾 + 1) ∈ ℤ)
140		1e0p1 12755	. . . . . . . . . . . . . . . . . . . . 21 ⊢ 1 = (0 + 1)
141	140	a1i 11	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 = (0 + 1))
142		0red 11243	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 0 ∈ ℝ)
143	55	adantr 480	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝐾 ∈ ℝ)
144		1red 11241	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ∈ ℝ)
145	11, 55, 12	ltled 11388	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝜑 → 0 ≤ 𝐾)
146	145	adantr 480	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 0 ≤ 𝐾)
147	142, 143, 144, 146	leadd1dd 11856	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (0 + 1) ≤ (𝐾 + 1))
148	141, 147	eqbrtrd 5146	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ≤ (𝐾 + 1))
149	55, 55, 108, 56	leadd1dd 11856	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (𝐾 + 1) ≤ (𝐾 + 1))
150	149	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐾 + 1) ≤ (𝐾 + 1))
151	137, 139, 139, 148, 150	elfzd 13537	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐾 + 1) ∈ (1...(𝐾 + 1)))
152	97, 151	ffvelcdmd 7080	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑐‘(𝐾 + 1)) ∈ ℕ₀)
153	152	nn0cnd 12569	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑐‘(𝐾 + 1)) ∈ ℂ)
154	63, 102, 153	subaddd 11617	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝑁 − Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙)) = (𝑐‘(𝐾 + 1)) ↔ (Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙) + (𝑐‘(𝐾 + 1))) = 𝑁))
155	136, 154	mpbird 257	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑁 − Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙)) = (𝑐‘(𝐾 + 1)))
156	103, 155	eqtrd 2771	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝐾 + 𝑁) − (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))) = (𝑐‘(𝐾 + 1)))
157	67, 156	eqtrd 2771	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝑁 + 𝐾) − (𝐾 + Σ𝑙 ∈ (1...𝐾)(𝑐‘𝑙))) = (𝑐‘(𝐾 + 1)))
158	61, 157	eqtrd 2771	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)) = (𝑐‘(𝐾 + 1)))
159	158	3adant3 1132	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)) = (𝑐‘(𝐾 + 1)))
160	159	adantr 480	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ 𝑘 = (𝐾 + 1)) → ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)) = (𝑐‘(𝐾 + 1)))
161		simpr 484	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ 𝑘 = (𝐾 + 1)) → 𝑘 = (𝐾 + 1))
162	161	fveq2d 6885	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ 𝑘 = (𝐾 + 1)) → (𝑐‘𝑘) = (𝑐‘(𝐾 + 1)))
163	162	eqcomd 2742	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ 𝑘 = (𝐾 + 1)) → (𝑐‘(𝐾 + 1)) = (𝑐‘𝑘))
164	160, 163	eqtrd 2771	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ 𝑘 = (𝐾 + 1)) → ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)) = (𝑐‘𝑘))
165	47	fveq1d 6883	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝐹‘𝑐)‘1) = ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘1))
166	165	oveq1d 7425	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (((𝐹‘𝑐)‘1) − 1) = (((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘1) − 1))
167		eqidd 2737	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))) = (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))))
168		simpr 484	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 1) → 𝑗 = 1)
169	168	oveq2d 7426	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 1) → (1...𝑗) = (1...1))
170	169	sumeq1d 15721	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 1) → Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙) = Σ𝑙 ∈ (1...1)(𝑐‘𝑙))
171	168, 170	oveq12d 7428	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑗 = 1) → (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)) = (1 + Σ𝑙 ∈ (1...1)(𝑐‘𝑙)))
172	144	leidd 11808	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ≤ 1)
173	54	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ≤ 𝐾)
174	137, 138, 137, 172, 173	elfzd 13537	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ∈ (1...𝐾))
175		ovexd 7445	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (1 + Σ𝑙 ∈ (1...1)(𝑐‘𝑙)) ∈ V)
176	167, 171, 174, 175	fvmptd 6998	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘1) = (1 + Σ𝑙 ∈ (1...1)(𝑐‘𝑙)))
177	176	oveq1d 7425	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘1) − 1) = ((1 + Σ𝑙 ∈ (1...1)(𝑐‘𝑙)) − 1))
178		fzfid 13996	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (1...1) ∈ Fin)
179		1zzd 12628	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 1 ∈ ℤ)
180	138	adantr 480	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 𝐾 ∈ ℤ)
181	180	peano2zd 12705	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → (𝐾 + 1) ∈ ℤ)
182		elfzelz 13546	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑙 ∈ (1...1) → 𝑙 ∈ ℤ)
183	182	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 𝑙 ∈ ℤ)
184		elfzle1 13549	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑙 ∈ (1...1) → 1 ≤ 𝑙)
185	184	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 1 ≤ 𝑙)
186	183	zred 12702	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 𝑙 ∈ ℝ)
187		0red 11243	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 0 ∈ ℝ)
188		1red 11241	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 1 ∈ ℝ)
189	187, 188	readdcld 11269	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → (0 + 1) ∈ ℝ)
190	181	zred 12702	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → (𝐾 + 1) ∈ ℝ)
191		elfzle2 13550	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (𝑙 ∈ (1...1) → 𝑙 ≤ 1)
192	191	adantl 481	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 𝑙 ≤ 1)
193	140	a1i 11	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 1 = (0 + 1))
194	192, 193	breqtrd 5150	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 𝑙 ≤ (0 + 1))
195	147	adantr 480	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → (0 + 1) ≤ (𝐾 + 1))
196	186, 189, 190, 194, 195	letrd 11397	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 𝑙 ≤ (𝐾 + 1))
197	179, 181, 183, 185, 196	elfzd 13537	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → 𝑙 ∈ (1...(𝐾 + 1)))
198	118	adantlr 715	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) ∧ 𝑙 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑙) ∈ ℕ₀)
199	197, 198	mpdan 687	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑙 ∈ (1...1)) → (𝑐‘𝑙) ∈ ℕ₀)
200	178, 199	fsumnn0cl 15757	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...1)(𝑐‘𝑙) ∈ ℕ₀)
201	200	nn0cnd 12569	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...1)(𝑐‘𝑙) ∈ ℂ)
202	122, 201	pncan2d 11601	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((1 + Σ𝑙 ∈ (1...1)(𝑐‘𝑙)) − 1) = Σ𝑙 ∈ (1...1)(𝑐‘𝑙))
203	137, 139, 137, 172, 148	elfzd 13537	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 1 ∈ (1...(𝐾 + 1)))
204	97, 203	ffvelcdmd 7080	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑐‘1) ∈ ℕ₀)
205	204	nn0cnd 12569	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑐‘1) ∈ ℂ)
206		fveq2 6881	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑙 = 1 → (𝑐‘𝑙) = (𝑐‘1))
207	206	fsum1 15768	. . . . . . . . . . . . . . . . 17 ⊢ ((1 ∈ ℤ ∧ (𝑐‘1) ∈ ℂ) → Σ𝑙 ∈ (1...1)(𝑐‘𝑙) = (𝑐‘1))
208	137, 205, 207	syl2anc 584	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → Σ𝑙 ∈ (1...1)(𝑐‘𝑙) = (𝑐‘1))
209	202, 208	eqtrd 2771	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → ((1 + Σ𝑙 ∈ (1...1)(𝑐‘𝑙)) − 1) = (𝑐‘1))
210	177, 209	eqtrd 2771	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘1) − 1) = (𝑐‘1))
211	166, 210	eqtrd 2771	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (((𝐹‘𝑐)‘1) − 1) = (𝑐‘1))
212	211	3adant3 1132	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → (((𝐹‘𝑐)‘1) − 1) = (𝑐‘1))
213	212	adantr 480	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (((𝐹‘𝑐)‘1) − 1) = (𝑐‘1))
214	213	adantr 480	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ 𝑘 = 1) → (((𝐹‘𝑐)‘1) − 1) = (𝑐‘1))
215		simpr 484	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ 𝑘 = 1) → 𝑘 = 1)
216	215	fveq2d 6885	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ 𝑘 = 1) → (𝑐‘𝑘) = (𝑐‘1))
217	216	eqcomd 2742	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ 𝑘 = 1) → (𝑐‘1) = (𝑐‘𝑘))
218	214, 217	eqtrd 2771	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ 𝑘 = 1) → (((𝐹‘𝑐)‘1) − 1) = (𝑐‘𝑘))
219	4	a1i 11	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝐹 = (𝑎 ∈ 𝐴 ↦ (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙)))))
220		simpllr 775	. . . . . . . . . . . . . . . . . 18 ⊢ (((((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) ∧ 𝑙 ∈ (1...𝑗)) → 𝑎 = 𝑐)
221	220	fveq1d 6883	. . . . . . . . . . . . . . . . 17 ⊢ (((((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) ∧ 𝑙 ∈ (1...𝑗)) → (𝑎‘𝑙) = (𝑐‘𝑙))
222	221	sumeq2dv 15723	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) → Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙) = Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))
223	222	oveq2d 7426	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑎 = 𝑐) ∧ 𝑗 ∈ (1...𝐾)) → (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙)) = (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))
224	223	mpteq2dva 5219	. . . . . . . . . . . . . 14 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑎 = 𝑐) → (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙))) = (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))))
225		simpll2 1214	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑐 ∈ 𝐴)
226		fzfid 13996	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (1...𝐾) ∈ Fin)
227	226	mptexd 7221	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))) ∈ V)
228	219, 224, 225, 227	fvmptd 6998	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝐹‘𝑐) = (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))))
229	228	fveq1d 6883	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝐹‘𝑐)‘𝑘) = ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘𝑘))
230	228	fveq1d 6883	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝐹‘𝑐)‘(𝑘 − 1)) = ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘(𝑘 − 1)))
231	229, 230	oveq12d 7428	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) = (((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘𝑘) − ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘(𝑘 − 1))))
232	231	oveq1d 7425	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1) = ((((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘𝑘) − ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘(𝑘 − 1))) − 1))
233		eqidd 2737	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))) = (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙))))
234		simpr 484	. . . . . . . . . . . . . . 15 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = 𝑘) → 𝑗 = 𝑘)
235	234	oveq2d 7426	. . . . . . . . . . . . . . . 16 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = 𝑘) → (1...𝑗) = (1...𝑘))
236	235	sumeq1d 15721	. . . . . . . . . . . . . . 15 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = 𝑘) → Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙) = Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙))
237	234, 236	oveq12d 7428	. . . . . . . . . . . . . 14 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = 𝑘) → (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)) = (𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)))
238		1zzd 12628	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ∈ ℤ)
239	138	3adant3 1132	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 𝐾 ∈ ℤ)
240	239	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝐾 ∈ ℤ)
241	240	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝐾 ∈ ℤ)
242		elfznn 13575	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑘 ∈ (1...(𝐾 + 1)) → 𝑘 ∈ ℕ)
243	242	3ad2ant3 1135	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 𝑘 ∈ ℕ)
244	243	nnzd 12620	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 𝑘 ∈ ℤ)
245	244	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 ∈ ℤ)
246	245	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ ℤ)
247	243	nnge1d 12293	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 1 ≤ 𝑘)
248	247	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 1 ≤ 𝑘)
249	248	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ≤ 𝑘)
250		simpl3 1194	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 ∈ (1...(𝐾 + 1)))
251		1zzd 12628	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 1 ∈ ℤ)
252	240	peano2zd 12705	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝐾 + 1) ∈ ℤ)
253		elfz 13535	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑘 ∈ ℤ ∧ 1 ∈ ℤ ∧ (𝐾 + 1) ∈ ℤ) → (𝑘 ∈ (1...(𝐾 + 1)) ↔ (1 ≤ 𝑘 ∧ 𝑘 ≤ (𝐾 + 1))))
254	245, 251, 252, 253	syl3anc 1373	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝑘 ∈ (1...(𝐾 + 1)) ↔ (1 ≤ 𝑘 ∧ 𝑘 ≤ (𝐾 + 1))))
255	254	biimpd 229	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝑘 ∈ (1...(𝐾 + 1)) → (1 ≤ 𝑘 ∧ 𝑘 ≤ (𝐾 + 1))))
256	250, 255	mpd 15	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (1 ≤ 𝑘 ∧ 𝑘 ≤ (𝐾 + 1)))
257	256	simprd 495	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 ≤ (𝐾 + 1))
258		neqne 2941	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (¬ 𝑘 = (𝐾 + 1) → 𝑘 ≠ (𝐾 + 1))
259	258	adantl 481	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 ≠ (𝐾 + 1))
260	259	necomd 2988	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝐾 + 1) ≠ 𝑘)
261	257, 260	jca 511	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝑘 ≤ (𝐾 + 1) ∧ (𝐾 + 1) ≠ 𝑘))
262	245	zred 12702	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 ∈ ℝ)
263	252	zred 12702	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝐾 + 1) ∈ ℝ)
264	262, 263	ltlend 11385	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝑘 < (𝐾 + 1) ↔ (𝑘 ≤ (𝐾 + 1) ∧ (𝐾 + 1) ≠ 𝑘)))
265	261, 264	mpbird 257	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 < (𝐾 + 1))
266		zleltp1 12648	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑘 ∈ ℤ ∧ 𝐾 ∈ ℤ) → (𝑘 ≤ 𝐾 ↔ 𝑘 < (𝐾 + 1)))
267	245, 240, 266	syl2anc 584	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝑘 ≤ 𝐾 ↔ 𝑘 < (𝐾 + 1)))
268	265, 267	mpbird 257	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 ≤ 𝐾)
269	268	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ≤ 𝐾)
270	238, 241, 246, 249, 269	elfzd 13537	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ (1...𝐾))
271		ovexd 7445	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)) ∈ V)
272	233, 237, 270, 271	fvmptd 6998	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘𝑘) = (𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)))
273		simpr 484	. . . . . . . . . . . . . . 15 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = (𝑘 − 1)) → 𝑗 = (𝑘 − 1))
274	273	oveq2d 7426	. . . . . . . . . . . . . . . 16 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = (𝑘 − 1)) → (1...𝑗) = (1...(𝑘 − 1)))
275	274	sumeq1d 15721	. . . . . . . . . . . . . . 15 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = (𝑘 − 1)) → Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙) = Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))
276	273, 275	oveq12d 7428	. . . . . . . . . . . . . 14 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑗 = (𝑘 − 1)) → (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)) = ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙)))
277		1zzd 12628	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ∈ ℤ)
278	53	ad2antrr 726	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = 1) → 𝐾 ∈ ℤ)
279	278	3impa 1109	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝐾 ∈ ℤ)
280	242	nnzd 12620	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑘 ∈ (1...(𝐾 + 1)) → 𝑘 ∈ ℤ)
281	280	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 𝑘 ∈ ℤ)
282	281	adantr 480	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ ℤ)
283	282	3impa 1109	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ ℤ)
284	283, 277	zsubcld 12707	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ∈ ℤ)
285		neqne 2941	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (¬ 𝑘 = 1 → 𝑘 ≠ 1)
286	285	3ad2ant3 1135	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ≠ 1)
287	108	3ad2ant1 1133	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ∈ ℝ)
288	283	zred 12702	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ ℝ)
289		simp2 1137	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ (1...(𝐾 + 1)))
290		elfzle1 13549	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑘 ∈ (1...(𝐾 + 1)) → 1 ≤ 𝑘)
291	289, 290	syl 17	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ≤ 𝑘)
292	287, 288, 291	leltned 11393	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (1 < 𝑘 ↔ 𝑘 ≠ 1))
293	286, 292	mpbird 257	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 < 𝑘)
294	277, 283	zltp1led 41997	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (1 < 𝑘 ↔ (1 + 1) ≤ 𝑘))
295	293, 294	mpbid 232	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (1 + 1) ≤ 𝑘)
296		leaddsub 11718	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((1 ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝑘 ∈ ℝ) → ((1 + 1) ≤ 𝑘 ↔ 1 ≤ (𝑘 − 1)))
297	287, 287, 288, 296	syl3anc 1373	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((1 + 1) ≤ 𝑘 ↔ 1 ≤ (𝑘 − 1)))
298	295, 297	mpbid 232	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ≤ (𝑘 − 1))
299	284	zred 12702	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ∈ ℝ)
300	55	3ad2ant1 1133	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝐾 ∈ ℝ)
301		1red 11241	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ∈ ℝ)
302	300, 301	readdcld 11269	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝐾 + 1) ∈ ℝ)
303	302, 301	resubcld 11670	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝐾 + 1) − 1) ∈ ℝ)
304		elfzle2 13550	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑘 ∈ (1...(𝐾 + 1)) → 𝑘 ≤ (𝐾 + 1))
305	304	3ad2ant2 1134	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ≤ (𝐾 + 1))
306	288, 302, 301, 305	lesub1dd 11858	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ≤ ((𝐾 + 1) − 1))
307	64	3ad2ant1 1133	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝐾 ∈ ℂ)
308		1cnd 11235	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ∈ ℂ)
309	307, 308	pncand 11600	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝐾 + 1) − 1) = 𝐾)
310	56	3ad2ant1 1133	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝐾 ≤ 𝐾)
311	309, 310	eqbrtrd 5146	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝐾 + 1) − 1) ≤ 𝐾)
312	299, 303, 300, 306, 311	letrd 11397	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ≤ 𝐾)
313	277, 279, 284, 298, 312	elfzd 13537	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ∈ (1...𝐾))
314	313	3expa 1118	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ∈ (1...𝐾))
315	314	3adantl2 1168	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ∈ (1...𝐾))
316	315	adantlr 715	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ∈ (1...𝐾))
317		ovexd 7445	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙)) ∈ V)
318	233, 276, 316, 317	fvmptd 6998	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘(𝑘 − 1)) = ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙)))
319	272, 318	oveq12d 7428	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘𝑘) − ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘(𝑘 − 1))) = ((𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)) − ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))))
320	319	oveq1d 7425	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘𝑘) − ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘(𝑘 − 1))) − 1) = (((𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)) − ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1))
321	246	zcnd 12703	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ ℂ)
322		fzfid 13996	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (1...𝑘) ∈ Fin)
323		1zzd 12628	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 1 ∈ ℤ)
324	241	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝐾 ∈ ℤ)
325	324	peano2zd 12705	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → (𝐾 + 1) ∈ ℤ)
326		elfznn 13575	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑙 ∈ (1...𝑘) → 𝑙 ∈ ℕ)
327	326	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑙 ∈ ℕ)
328	327	nnzd 12620	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑙 ∈ ℤ)
329	327	nnge1d 12293	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 1 ≤ 𝑙)
330	327	nnred 12260	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑙 ∈ ℝ)
331	262	ad2antrr 726	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑘 ∈ ℝ)
332	263	ad2antrr 726	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → (𝐾 + 1) ∈ ℝ)
333		elfzle2 13550	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑙 ∈ (1...𝑘) → 𝑙 ≤ 𝑘)
334	333	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑙 ≤ 𝑘)
335	257	ad2antrr 726	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑘 ≤ (𝐾 + 1))
336	330, 331, 332, 334, 335	letrd 11397	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑙 ≤ (𝐾 + 1))
337	323, 325, 328, 329, 336	elfzd 13537	. . . . . . . . . . . . . . . . 17 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑙 ∈ (1...(𝐾 + 1)))
338	97	3adant3 1132	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 𝑐:(1...(𝐾 + 1))⟶ℕ₀)
339	338	adantr 480	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑐:(1...(𝐾 + 1))⟶ℕ₀)
340	339	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑐:(1...(𝐾 + 1))⟶ℕ₀)
341	340	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → 𝑐:(1...(𝐾 + 1))⟶ℕ₀)
342	341	ffvelcdmda 7079	. . . . . . . . . . . . . . . . 17 ⊢ ((((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) ∧ 𝑙 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑙) ∈ ℕ₀)
343	337, 342	mpdan 687	. . . . . . . . . . . . . . . 16 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → (𝑐‘𝑙) ∈ ℕ₀)
344	322, 343	fsumnn0cl 15757	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) ∈ ℕ₀)
345	344	nn0cnd 12569	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) ∈ ℂ)
346		1cnd 11235	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 1 ∈ ℂ)
347	321, 346	subcld 11599	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − 1) ∈ ℂ)
348		fzfid 13996	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (1...(𝑘 − 1)) ∈ Fin)
349		1zzd 12628	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 1 ∈ ℤ)
350	241	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝐾 ∈ ℤ)
351	350	peano2zd 12705	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → (𝐾 + 1) ∈ ℤ)
352		elfznn 13575	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑙 ∈ (1...(𝑘 − 1)) → 𝑙 ∈ ℕ)
353	352	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑙 ∈ ℕ)
354	353	nnzd 12620	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑙 ∈ ℤ)
355	353	nnge1d 12293	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 1 ≤ 𝑙)
356	353	nnred 12260	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑙 ∈ ℝ)
357	262	ad2antrr 726	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑘 ∈ ℝ)
358		1red 11241	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 1 ∈ ℝ)
359	357, 358	resubcld 11670	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → (𝑘 − 1) ∈ ℝ)
360	263	ad2antrr 726	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → (𝐾 + 1) ∈ ℝ)
361		elfzle2 13550	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑙 ∈ (1...(𝑘 − 1)) → 𝑙 ≤ (𝑘 − 1))
362	361	adantl 481	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑙 ≤ (𝑘 − 1))
363	357	lem1d 12180	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → (𝑘 − 1) ≤ 𝑘)
364	257	ad2antrr 726	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑘 ≤ (𝐾 + 1))
365	359, 357, 360, 363, 364	letrd 11397	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → (𝑘 − 1) ≤ (𝐾 + 1))
366	356, 359, 360, 362, 365	letrd 11397	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑙 ≤ (𝐾 + 1))
367	349, 351, 354, 355, 366	elfzd 13537	. . . . . . . . . . . . . . . . 17 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑙 ∈ (1...(𝐾 + 1)))
368	340	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → 𝑐:(1...(𝐾 + 1))⟶ℕ₀)
369	368	ffvelcdmda 7079	. . . . . . . . . . . . . . . . 17 ⊢ ((((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) ∧ 𝑙 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑙) ∈ ℕ₀)
370	367, 369	mpdan 687	. . . . . . . . . . . . . . . 16 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...(𝑘 − 1))) → (𝑐‘𝑙) ∈ ℕ₀)
371	348, 370	fsumnn0cl 15757	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙) ∈ ℕ₀)
372	371	nn0cnd 12569	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙) ∈ ℂ)
373	321, 345, 347, 372	addsub4d 11646	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)) − ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) = ((𝑘 − (𝑘 − 1)) + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))))
374	373	oveq1d 7425	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (((𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)) − ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1) = (((𝑘 − (𝑘 − 1)) + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1))
375	321, 346	nncand 11604	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑘 − (𝑘 − 1)) = 1)
376	375	oveq1d 7425	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((𝑘 − (𝑘 − 1)) + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) = (1 + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))))
377	376	oveq1d 7425	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (((𝑘 − (𝑘 − 1)) + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1) = ((1 + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1))
378	345, 372	subcld 11599	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙)) ∈ ℂ)
379	346, 378	pncan2d 11601	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((1 + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1) = (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙)))
380	137	3adant3 1132	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 1 ∈ ℤ)
381	380, 244, 247	3jca 1128	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → (1 ∈ ℤ ∧ 𝑘 ∈ ℤ ∧ 1 ≤ 𝑘))
382		eluz2 12863	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑘 ∈ (ℤ_≥‘1) ↔ (1 ∈ ℤ ∧ 𝑘 ∈ ℤ ∧ 1 ≤ 𝑘))
383	381, 382	sylibr 234	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 𝑘 ∈ (ℤ_≥‘1))
384	383	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → 𝑘 ∈ (ℤ_≥‘1))
385	384	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → 𝑘 ∈ (ℤ_≥‘1))
386	343	nn0cnd 12569	. . . . . . . . . . . . . . . . 17 ⊢ (((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) ∧ 𝑙 ∈ (1...𝑘)) → (𝑐‘𝑙) ∈ ℂ)
387		fveq2 6881	. . . . . . . . . . . . . . . . 17 ⊢ (𝑙 = 𝑘 → (𝑐‘𝑙) = (𝑐‘𝑘))
388	385, 386, 387	fsumm1 15772	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) = (Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙) + (𝑐‘𝑘)))
389	388	eqcomd 2742	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙) + (𝑐‘𝑘)) = Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙))
390		simp3 1138	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → 𝑘 ∈ (1...(𝐾 + 1)))
391	338, 390	ffvelcdmd 7080	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑘) ∈ ℕ₀)
392	391	nn0cnd 12569	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → (𝑐‘𝑘) ∈ ℂ)
393	392	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → (𝑐‘𝑘) ∈ ℂ)
394	393	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (𝑐‘𝑘) ∈ ℂ)
395	345, 372, 394	subaddd 11617	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙)) = (𝑐‘𝑘) ↔ (Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙) + (𝑐‘𝑘)) = Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)))
396	389, 395	mpbird 257	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙)) = (𝑐‘𝑘))
397	379, 396	eqtrd 2771	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((1 + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1) = (𝑐‘𝑘))
398	377, 397	eqtrd 2771	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (((𝑘 − (𝑘 − 1)) + (Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙) − Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1) = (𝑐‘𝑘))
399	374, 398	eqtrd 2771	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → (((𝑘 + Σ𝑙 ∈ (1...𝑘)(𝑐‘𝑙)) − ((𝑘 − 1) + Σ𝑙 ∈ (1...(𝑘 − 1))(𝑐‘𝑙))) − 1) = (𝑐‘𝑘))
400	320, 399	eqtrd 2771	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘𝑘) − ((𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑐‘𝑙)))‘(𝑘 − 1))) − 1) = (𝑐‘𝑘))
401	232, 400	eqtrd 2771	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) ∧ ¬ 𝑘 = 1) → ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1) = (𝑐‘𝑘))
402	218, 401	ifeqda 4542	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) ∧ ¬ 𝑘 = (𝐾 + 1)) → if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)) = (𝑐‘𝑘))
403	164, 402	ifeqda 4542	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴 ∧ 𝑘 ∈ (1...(𝐾 + 1))) → if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1))) = (𝑐‘𝑘))
404	403	3expa 1118	. . . . . 6 ⊢ (((𝜑 ∧ 𝑐 ∈ 𝐴) ∧ 𝑘 ∈ (1...(𝐾 + 1))) → if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1))) = (𝑐‘𝑘))
405	404	mpteq2dva 5219	. . . . 5 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)))) = (𝑘 ∈ (1...(𝐾 + 1)) ↦ (𝑐‘𝑘)))
406	97	ffnd 6712	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝑐 Fn (1...(𝐾 + 1)))
407		dffn5 6942	. . . . . . . 8 ⊢ (𝑐 Fn (1...(𝐾 + 1)) ↔ 𝑐 = (𝑘 ∈ (1...(𝐾 + 1)) ↦ (𝑐‘𝑘)))
408	407	biimpi 216	. . . . . . 7 ⊢ (𝑐 Fn (1...(𝐾 + 1)) → 𝑐 = (𝑘 ∈ (1...(𝐾 + 1)) ↦ (𝑐‘𝑘)))
409	406, 408	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → 𝑐 = (𝑘 ∈ (1...(𝐾 + 1)) ↦ (𝑐‘𝑘)))
410	409	eqcomd 2742	. . . . 5 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑘 ∈ (1...(𝐾 + 1)) ↦ (𝑐‘𝑘)) = 𝑐)
411	405, 410	eqtrd 2771	. . . 4 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝑘 ∈ (1...(𝐾 + 1)) ↦ if(𝑘 = (𝐾 + 1), ((𝑁 + 𝐾) − ((𝐹‘𝑐)‘𝐾)), if(𝑘 = 1, (((𝐹‘𝑐)‘1) − 1), ((((𝐹‘𝑐)‘𝑘) − ((𝐹‘𝑐)‘(𝑘 − 1))) − 1)))) = 𝑐)
412	37, 411	eqtrd 2771	. . 3 ⊢ ((𝜑 ∧ 𝑐 ∈ 𝐴) → (𝐺‘(𝐹‘𝑐)) = 𝑐)
413	412	ralrimiva 3133	. 2 ⊢ (𝜑 → ∀𝑐 ∈ 𝐴 (𝐺‘(𝐹‘𝑐)) = 𝑐)
414	1, 2, 4, 8, 5, 6	sticksstones12a 42175	. 2 ⊢ (𝜑 → ∀𝑑 ∈ 𝐵 (𝐹‘(𝐺‘𝑑)) = 𝑑)
415	7, 9, 413, 414	2fvidf1od 7296	1 ⊢ (𝜑 → 𝐹:𝐴–1-1-onto→𝐵)

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 {cab 2714 ≠ wne 2933 ∀wral 3052 Vcvv 3464 ifcif 4505 {csn 4606 ⟨cop 4612 class class class wbr 5124 ↦ cmpt 5206 Fn wfn 6531 ⟶wf 6532 –1-1-onto→wf1o 6535 ‘cfv 6536 (class class class)co 7410 Fincfn 8964 ℂcc 11132 ℝcr 11133 0cc0 11134 1c1 11135 + caddc 11137 < clt 11274 ≤ cle 11275 − cmin 11471 ℕcn 12245 ℕ₀cn0 12506 ℤcz 12593 ℤ_≥cuz 12857 ...cfz 13529 Σcsu 15707

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2708 ax-rep 5254 ax-sep 5271 ax-nul 5281 ax-pow 5340 ax-pr 5407 ax-un 7734 ax-inf2 9660 ax-cnex 11190 ax-resscn 11191 ax-1cn 11192 ax-icn 11193 ax-addcl 11194 ax-addrcl 11195 ax-mulcl 11196 ax-mulrcl 11197 ax-mulcom 11198 ax-addass 11199 ax-mulass 11200 ax-distr 11201 ax-i2m1 11202 ax-1ne0 11203 ax-1rid 11204 ax-rnegex 11205 ax-rrecex 11206 ax-cnre 11207 ax-pre-lttri 11208 ax-pre-lttrn 11209 ax-pre-ltadd 11210 ax-pre-mulgt0 11211 ax-pre-sup 11212

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2810 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rmo 3364 df-reu 3365 df-rab 3421 df-v 3466 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-pss 3951 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4889 df-int 4928 df-iun 4974 df-br 5125 df-opab 5187 df-mpt 5207 df-tr 5235 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6295 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7867 df-1st 7993 df-2nd 7994 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-1o 8485 df-er 8724 df-en 8965 df-dom 8966 df-sdom 8967 df-fin 8968 df-sup 9459 df-oi 9529 df-card 9958 df-pnf 11276 df-mnf 11277 df-xr 11278 df-ltxr 11279 df-le 11280 df-sub 11473 df-neg 11474 df-div 11900 df-nn 12246 df-2 12308 df-3 12309 df-n0 12507 df-z 12594 df-uz 12858 df-rp 13014 df-ico 13373 df-fz 13530 df-fzo 13677 df-seq 14025 df-exp 14085 df-hash 14354 df-cj 15123 df-re 15124 df-im 15125 df-sqrt 15259 df-abs 15260 df-clim 15509 df-sum 15708

This theorem is referenced by: sticksstones13 42177

W3C validator