Theorem depindlem1 16550

Description: Lemma for depind 16553. (Contributed by Matthew House, 14-Apr-2026.)

Hypotheses

Ref	Expression
depind.p	⊢ (𝜑 → 𝑃:ℕ0⟶V)
depind.0	⊢ (𝜑 → 𝐴 ∈ (𝑃‘0))
depind.h	⊢ (𝜑 → ∀𝑛 ∈ ℕ0 (𝐻‘𝑛):(𝑃‘𝑛)⟶(𝑃‘(𝑛 + 1)))
depindlem1.4	⊢ 𝐹 = seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))

Assertion

Ref	Expression
depindlem1	⊢ (𝜑 → (𝐹:ℕ0⟶V ∧ (𝐹‘0) = 𝐴 ∧ ∀𝑛 ∈ ℕ0 (𝐹‘(𝑛 + 1)) = ((𝐻‘𝑛)‘(𝐹‘𝑛))))

Distinct variable groups:   ℎ,𝑛,𝑥   𝐴,𝑚,𝑛   𝑛,𝐹   𝑚,𝐻,𝑛   𝑃,𝑛

Allowed substitution hints:   𝜑(𝑥,ℎ,𝑚,𝑛)   𝐴(𝑥,ℎ)   𝑃(𝑥,ℎ,𝑚)   𝐹(𝑥,ℎ,𝑚)   𝐻(𝑥,ℎ)

Proof of Theorem depindlem1

Dummy variables 𝑦 𝑧 𝑘 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		nn0uz 9895	. . . 4 ⊢ ℕ0 = (ℤ≥‘0)
2		0zd 9594	. . . 4 ⊢ (𝜑 → 0 ∈ ℤ)
3		nn0ex 9507	. . . . . . 7 ⊢ ℕ0 ∈ V
4	3	mptex 5914	. . . . . 6 ⊢ (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))) ∈ V
5		vex 2818	. . . . . 6 ⊢ 𝑦 ∈ V
6	4, 5	fvex 5692	. . . . 5 ⊢ ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘𝑦) ∈ V
7	6	a1i 9	. . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ ℕ0) → ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘𝑦) ∈ V)
8		eqid 2234	. . . . . 6 ⊢ (𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)) = (𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))
9		vex 2818	. . . . . . 7 ⊢ ℎ ∈ V
10		vex 2818	. . . . . . 7 ⊢ 𝑥 ∈ V
11	9, 10	fvex 5692	. . . . . 6 ⊢ (ℎ‘𝑥) ∈ V
12		vex 2818	. . . . . 6 ⊢ 𝑧 ∈ V
13	8, 11, 5, 12	mpofvexi 6404	. . . . 5 ⊢ (𝑦(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))𝑧) ∈ V
14	13	a1i 9	. . . 4 ⊢ ((𝜑 ∧ (𝑦 ∈ V ∧ 𝑧 ∈ V)) → (𝑦(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))𝑧) ∈ V)
15	1, 2, 7, 14	seqf 10833	. . 3 ⊢ (𝜑 → seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))):ℕ0⟶V)
16		depindlem1.4	. . . 4 ⊢ 𝐹 = seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))
17	16	feq1i 5503	. . 3 ⊢ (𝐹:ℕ0⟶V ↔ seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))):ℕ0⟶V)
18	15, 17	sylibr 134	. 2 ⊢ (𝜑 → 𝐹:ℕ0⟶V)
19	16	fveq1i 5673	. . . 4 ⊢ (𝐹‘0) = (seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))‘0)
20	6	a1i 9	. . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ (ℤ≥‘0)) → ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘𝑦) ∈ V)
21	2, 20, 14	seq3-1 10831	. . . 4 ⊢ (𝜑 → (seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))‘0) = ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘0))
22	19, 21	eqtrid 2279	. . 3 ⊢ (𝜑 → (𝐹‘0) = ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘0))
23		0nn0 9516	. . . 4 ⊢ 0 ∈ ℕ0
24		depind.0	. . . 4 ⊢ (𝜑 → 𝐴 ∈ (𝑃‘0))
25		iftrue 3629	. . . . 5 ⊢ (𝑚 = 0 → if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))) = 𝐴)
26		eqid 2234	. . . . 5 ⊢ (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))) = (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))
27	25, 26	fvmptg 5755	. . . 4 ⊢ ((0 ∈ ℕ0 ∧ 𝐴 ∈ (𝑃‘0)) → ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘0) = 𝐴)
28	23, 24, 27	sylancr 414	. . 3 ⊢ (𝜑 → ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘0) = 𝐴)
29	22, 28	eqtrd 2267	. 2 ⊢ (𝜑 → (𝐹‘0) = 𝐴)
30		simpr 110	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑘 ∈ ℕ0)
31	30, 1	eleqtrdi 2327	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑘 ∈ (ℤ≥‘0))
32	6	a1i 9	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ0) ∧ 𝑦 ∈ (ℤ≥‘0)) → ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘𝑦) ∈ V)
33	13	a1i 9	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ0) ∧ (𝑦 ∈ V ∧ 𝑧 ∈ V)) → (𝑦(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))𝑧) ∈ V)
34	31, 32, 33	seq3p1 10834	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))‘(𝑘 + 1)) = ((seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘(𝑘 + 1))))
35	16	fveq1i 5673	. . . . . . 7 ⊢ (𝐹‘(𝑘 + 1)) = (seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))‘(𝑘 + 1))
36	16	fveq1i 5673	. . . . . . . 8 ⊢ (𝐹‘𝑘) = (seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))‘𝑘)
37	36	oveq1i 6062	. . . . . . 7 ⊢ ((𝐹‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘(𝑘 + 1))) = ((seq0((𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)), (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1)))))‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘(𝑘 + 1)))
38	34, 35, 37	3eqtr4g 2292	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐹‘(𝑘 + 1)) = ((𝐹‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘(𝑘 + 1))))
39		eqeq1 2241	. . . . . . . . . 10 ⊢ (𝑚 = (𝑘 + 1) → (𝑚 = 0 ↔ (𝑘 + 1) = 0))
40		fvoveq1 6075	. . . . . . . . . 10 ⊢ (𝑚 = (𝑘 + 1) → (𝐻‘(𝑚 − 1)) = (𝐻‘((𝑘 + 1) − 1)))
41	39, 40	ifbieq2d 3649	. . . . . . . . 9 ⊢ (𝑚 = (𝑘 + 1) → if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))) = if((𝑘 + 1) = 0, 𝐴, (𝐻‘((𝑘 + 1) − 1))))
42		nn0p1nn 9540	. . . . . . . . . . 11 ⊢ (𝑘 ∈ ℕ0 → (𝑘 + 1) ∈ ℕ)
43	42	adantl 277	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝑘 + 1) ∈ ℕ)
44	43	nnnn0d 9558	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝑘 + 1) ∈ ℕ0)
45	43	nnne0d 9287	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝑘 + 1) ≠ 0)
46	45	neneqd 2435	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ¬ (𝑘 + 1) = 0)
47	46	iffalsed 3634	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → if((𝑘 + 1) = 0, 𝐴, (𝐻‘((𝑘 + 1) − 1))) = (𝐻‘((𝑘 + 1) − 1)))
48	30	nn0cnd 9560	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑘 ∈ ℂ)
49		pncan1 8655	. . . . . . . . . . . . 13 ⊢ (𝑘 ∈ ℂ → ((𝑘 + 1) − 1) = 𝑘)
50	48, 49	syl 14	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝑘 + 1) − 1) = 𝑘)
51	50	fveq2d 5676	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐻‘((𝑘 + 1) − 1)) = (𝐻‘𝑘))
52	47, 51	eqtrd 2267	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → if((𝑘 + 1) = 0, 𝐴, (𝐻‘((𝑘 + 1) − 1))) = (𝐻‘𝑘))
53		depind.h	. . . . . . . . . . . 12 ⊢ (𝜑 → ∀𝑛 ∈ ℕ0 (𝐻‘𝑛):(𝑃‘𝑛)⟶(𝑃‘(𝑛 + 1)))
54		fveq2 5672	. . . . . . . . . . . . . 14 ⊢ (𝑛 = 𝑘 → (𝐻‘𝑛) = (𝐻‘𝑘))
55		fveq2 5672	. . . . . . . . . . . . . 14 ⊢ (𝑛 = 𝑘 → (𝑃‘𝑛) = (𝑃‘𝑘))
56		fvoveq1 6075	. . . . . . . . . . . . . 14 ⊢ (𝑛 = 𝑘 → (𝑃‘(𝑛 + 1)) = (𝑃‘(𝑘 + 1)))
57	54, 55, 56	feq123d 5501	. . . . . . . . . . . . 13 ⊢ (𝑛 = 𝑘 → ((𝐻‘𝑛):(𝑃‘𝑛)⟶(𝑃‘(𝑛 + 1)) ↔ (𝐻‘𝑘):(𝑃‘𝑘)⟶(𝑃‘(𝑘 + 1))))
58	57	rspccva 2922	. . . . . . . . . . . 12 ⊢ ((∀𝑛 ∈ ℕ0 (𝐻‘𝑛):(𝑃‘𝑛)⟶(𝑃‘(𝑛 + 1)) ∧ 𝑘 ∈ ℕ0) → (𝐻‘𝑘):(𝑃‘𝑘)⟶(𝑃‘(𝑘 + 1)))
59	53, 58	sylan 283	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐻‘𝑘):(𝑃‘𝑘)⟶(𝑃‘(𝑘 + 1)))
60		depind.p	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑃:ℕ0⟶V)
61	60	ffvelcdmda 5814	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝑃‘𝑘) ∈ V)
62	59, 61	fexd 5918	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐻‘𝑘) ∈ V)
63	52, 62	eqeltrd 2311	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → if((𝑘 + 1) = 0, 𝐴, (𝐻‘((𝑘 + 1) − 1))) ∈ V)
64	26, 41, 44, 63	fvmptd3 5773	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘(𝑘 + 1)) = if((𝑘 + 1) = 0, 𝐴, (𝐻‘((𝑘 + 1) − 1))))
65	64, 52	eqtrd 2267	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘(𝑘 + 1)) = (𝐻‘𝑘))
66	65	oveq2d 6068	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐹‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))((𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐴, (𝐻‘(𝑚 − 1))))‘(𝑘 + 1))) = ((𝐹‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))(𝐻‘𝑘)))
67	38, 66	eqtrd 2267	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐹‘(𝑘 + 1)) = ((𝐹‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))(𝐻‘𝑘)))
68	18	ffvelcdmda 5814	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐹‘𝑘) ∈ V)
69		fvexg 5691	. . . . . . 7 ⊢ (((𝐻‘𝑘) ∈ V ∧ (𝐹‘𝑘) ∈ V) → ((𝐻‘𝑘)‘(𝐹‘𝑘)) ∈ V)
70	62, 68, 69	syl2anc 411	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐻‘𝑘)‘(𝐹‘𝑘)) ∈ V)
71		fveq2 5672	. . . . . . 7 ⊢ (𝑦 = (𝐹‘𝑘) → (𝑧‘𝑦) = (𝑧‘(𝐹‘𝑘)))
72		fveq1 5671	. . . . . . 7 ⊢ (𝑧 = (𝐻‘𝑘) → (𝑧‘(𝐹‘𝑘)) = ((𝐻‘𝑘)‘(𝐹‘𝑘)))
73		fveq2 5672	. . . . . . . 8 ⊢ (𝑥 = 𝑦 → (ℎ‘𝑥) = (ℎ‘𝑦))
74		fveq1 5671	. . . . . . . 8 ⊢ (ℎ = 𝑧 → (ℎ‘𝑦) = (𝑧‘𝑦))
75	73, 74	cbvmpov 6135	. . . . . . 7 ⊢ (𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥)) = (𝑦 ∈ V, 𝑧 ∈ V ↦ (𝑧‘𝑦))
76	71, 72, 75	ovmpog 6190	. . . . . 6 ⊢ (((𝐹‘𝑘) ∈ V ∧ (𝐻‘𝑘) ∈ V ∧ ((𝐻‘𝑘)‘(𝐹‘𝑘)) ∈ V) → ((𝐹‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))(𝐻‘𝑘)) = ((𝐻‘𝑘)‘(𝐹‘𝑘)))
77	68, 62, 70, 76	syl3anc 1274	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐹‘𝑘)(𝑥 ∈ V, ℎ ∈ V ↦ (ℎ‘𝑥))(𝐻‘𝑘)) = ((𝐻‘𝑘)‘(𝐹‘𝑘)))
78	67, 77	eqtrd 2267	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐹‘(𝑘 + 1)) = ((𝐻‘𝑘)‘(𝐹‘𝑘)))
79	78	ralrimiva 2617	. . 3 ⊢ (𝜑 → ∀𝑘 ∈ ℕ0 (𝐹‘(𝑘 + 1)) = ((𝐻‘𝑘)‘(𝐹‘𝑘)))
80		fvoveq1 6075	. . . . 5 ⊢ (𝑛 = 𝑘 → (𝐹‘(𝑛 + 1)) = (𝐹‘(𝑘 + 1)))
81		fveq2 5672	. . . . . 6 ⊢ (𝑛 = 𝑘 → (𝐹‘𝑛) = (𝐹‘𝑘))
82	54, 81	fveq12d 5679	. . . . 5 ⊢ (𝑛 = 𝑘 → ((𝐻‘𝑛)‘(𝐹‘𝑛)) = ((𝐻‘𝑘)‘(𝐹‘𝑘)))
83	80, 82	eqeq12d 2249	. . . 4 ⊢ (𝑛 = 𝑘 → ((𝐹‘(𝑛 + 1)) = ((𝐻‘𝑛)‘(𝐹‘𝑛)) ↔ (𝐹‘(𝑘 + 1)) = ((𝐻‘𝑘)‘(𝐹‘𝑘))))
84	83	cbvralvw 2784	. . 3 ⊢ (∀𝑛 ∈ ℕ0 (𝐹‘(𝑛 + 1)) = ((𝐻‘𝑛)‘(𝐹‘𝑛)) ↔ ∀𝑘 ∈ ℕ0 (𝐹‘(𝑘 + 1)) = ((𝐻‘𝑘)‘(𝐹‘𝑘)))
85	79, 84	sylibr 134	. 2 ⊢ (𝜑 → ∀𝑛 ∈ ℕ0 (𝐹‘(𝑛 + 1)) = ((𝐻‘𝑛)‘(𝐹‘𝑛)))
86	18, 29, 85	3jca 1204	1 ⊢ (𝜑 → (𝐹:ℕ0⟶V ∧ (𝐹‘0) = 𝐴 ∧ ∀𝑛 ∈ ℕ0 (𝐹‘(𝑛 + 1)) = ((𝐻‘𝑛)‘(𝐹‘𝑛))))

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 1005   = wceq 1398   ∈ wcel 2205  ∀wral 2522  Vcvv 2815  ifcif 3622   ↦ cmpt 4173  ⟶wf 5350  ‘cfv 5354  (class class class)co 6052   ∈ cmpo 6054  ℂcc 8130  0cc0 8132  1c1 8133   + caddc 8135   − cmin 8449  ℕcn 9242  ℕ₀cn0 9501  ℤ_≥cuz 9859  seqcseq 10816

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-coll 4227  ax-sep 4230  ax-nul 4238  ax-pow 4289  ax-pr 4324  ax-un 4556  ax-setind 4661  ax-iinf 4712  ax-cnex 8223  ax-resscn 8224  ax-1cn 8225  ax-1re 8226  ax-icn 8227  ax-addcl 8228  ax-addrcl 8229  ax-mulcl 8230  ax-addcom 8232  ax-addass 8234  ax-distr 8236  ax-i2m1 8237  ax-0lt1 8238  ax-0id 8240  ax-rnegex 8241  ax-cnre 8243  ax-pre-ltirr 8244  ax-pre-ltwlin 8245  ax-pre-lttrn 8246  ax-pre-ltadd 8248

This theorem depends on definitions:  df-bi 117  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3045  df-csb 3141  df-dif 3215  df-un 3217  df-in 3219  df-ss 3226  df-nul 3511  df-if 3623  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-iun 3995  df-br 4112  df-opab 4174  df-mpt 4175  df-tr 4211  df-id 4416  df-iord 4489  df-on 4491  df-ilim 4492  df-suc 4494  df-iom 4715  df-xp 4757  df-rel 4758  df-cnv 4759  df-co 4760  df-dm 4761  df-rn 4762  df-res 4763  df-ima 4764  df-iota 5314  df-fun 5356  df-fn 5357  df-f 5358  df-f1 5359  df-fo 5360  df-f1o 5361  df-fv 5362  df-riota 6005  df-ov 6055  df-oprab 6056  df-mpo 6057  df-1st 6336  df-2nd 6337  df-recs 6538  df-frec 6624  df-pnf 8315  df-mnf 8316  df-xr 8317  df-ltxr 8318  df-le 8319  df-sub 8451  df-neg 8452  df-inn 9243  df-n0 9502  df-z 9583  df-uz 9860  df-seqfrec 10817

This theorem is referenced by:  depindlem2  16551  depindlem3  16552  depind  16553