sticksstones14 - Mathbox for metakunt

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Theorem sticksstones14 43211

Description: Sticks and stones with definitions as hypotheses. (Contributed by metakunt, 7-Oct-2024.)

**Hypotheses**
Ref	Expression
sticksstones14.1	⊢ (𝜑 → 𝑁 ∈ ℕ₀)
sticksstones14.2	⊢ (𝜑 → 𝐾 ∈ ℕ₀)
sticksstones14.3	⊢ 𝐹 = (𝑎 ∈ 𝐴 ↦ (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙))))
sticksstones14.4	⊢ 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))))))
sticksstones14.5	⊢ 𝐴 = {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)}
sticksstones14.6	⊢ 𝐵 = {𝑓 ∣ (𝑓:(1...𝐾)⟶(1...(𝑁 + 𝐾)) ∧ ∀𝑥 ∈ (1...𝐾)∀𝑦 ∈ (1...𝐾)(𝑥 < 𝑦 → (𝑓‘𝑥) < (𝑓‘𝑦)))}

**Assertion**
Ref	Expression
sticksstones14	⊢ (𝜑 → (♯‘𝐴) = ((𝑁 + 𝐾)C𝐾))

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

**Proof of Theorem sticksstones14**
Step	Hyp	Ref	Expression
1		sticksstones14.5	. . . . 5 ⊢ 𝐴 = {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)}
2	1	a1i 11	. . . 4 ⊢ (𝜑 → 𝐴 = {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)})
3		simpl 488	. . . . . . 7 ⊢ ((𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁) → 𝑔:(1...(𝐾 + 1))⟶ℕ₀)
4	3	a1i 11	. . . . . 6 ⊢ (𝜑 → ((𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁) → 𝑔:(1...(𝐾 + 1))⟶ℕ₀))
5	4	ss2abdv 3990	. . . . 5 ⊢ (𝜑 → {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)} ⊆ {𝑔 ∣ 𝑔:(1...(𝐾 + 1))⟶ℕ₀})
6		fzfid 14116	. . . . . 6 ⊢ (𝜑 → (1...(𝐾 + 1)) ∈ Fin)
7		nn0ex 12612	. . . . . . 7 ⊢ ℕ₀ ∈ V
8	7	a1i 11	. . . . . 6 ⊢ (𝜑 → ℕ₀ ∈ V)
9		mapex 7952	. . . . . 6 ⊢ (((1...(𝐾 + 1)) ∈ Fin ∧ ℕ₀ ∈ V) → {𝑔 ∣ 𝑔:(1...(𝐾 + 1))⟶ℕ₀} ∈ V)
10	6, 8, 9	syl2anc 596	. . . . 5 ⊢ (𝜑 → {𝑔 ∣ 𝑔:(1...(𝐾 + 1))⟶ℕ₀} ∈ V)
11		ssexg 5280	. . . . 5 ⊢ (({𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)} ⊆ {𝑔 ∣ 𝑔:(1...(𝐾 + 1))⟶ℕ₀} ∧ {𝑔 ∣ 𝑔:(1...(𝐾 + 1))⟶ℕ₀} ∈ V) → {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)} ∈ V)
12	5, 10, 11	syl2anc 596	. . . 4 ⊢ (𝜑 → {𝑔 ∣ (𝑔:(1...(𝐾 + 1))⟶ℕ₀ ∧ Σ𝑖 ∈ (1...(𝐾 + 1))(𝑔‘𝑖) = 𝑁)} ∈ V)
13	2, 12	eqeltrd 2860	. . 3 ⊢ (𝜑 → 𝐴 ∈ V)
14		sticksstones14.1	. . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ₀)
15		sticksstones14.2	. . . 4 ⊢ (𝜑 → 𝐾 ∈ ℕ₀)
16		sticksstones14.3	. . . 4 ⊢ 𝐹 = (𝑎 ∈ 𝐴 ↦ (𝑗 ∈ (1...𝐾) ↦ (𝑗 + Σ𝑙 ∈ (1...𝑗)(𝑎‘𝑙))))
17		sticksstones14.4	. . . 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))))))
18		sticksstones14.6	. . . 4 ⊢ 𝐵 = {𝑓 ∣ (𝑓:(1...𝐾)⟶(1...(𝑁 + 𝐾)) ∧ ∀𝑥 ∈ (1...𝐾)∀𝑦 ∈ (1...𝐾)(𝑥 < 𝑦 → (𝑓‘𝑥) < (𝑓‘𝑦)))}
19	14, 15, 16, 17, 1, 18	sticksstones13 43210	. . 3 ⊢ (𝜑 → 𝐹:𝐴–1-1-onto→𝐵)
20	13, 19	hasheqf1od 14497	. 2 ⊢ (𝜑 → (♯‘𝐴) = (♯‘𝐵))
21	14, 15	nn0addcld 12671	. . 3 ⊢ (𝜑 → (𝑁 + 𝐾) ∈ ℕ₀)
22	21, 15, 18	sticksstones5 43201	. 2 ⊢ (𝜑 → (♯‘𝐵) = ((𝑁 + 𝐾)C𝐾))
23	20, 22	eqtrd 2795	1 ⊢ (𝜑 → (♯‘𝐴) = ((𝑁 + 𝐾)C𝐾))

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 {cab 2738 ∀wral 3076 Vcvv 3450 ⊆ wss 3895 ifcif 4481 {csn 4583 ⟨cop 4589 class class class wbr 5102 ↦ cmpt 5185 ⟶wf 6534 ‘cfv 6538 (class class class)co 7420 Fincfn 8973 0cc0 11200 1c1 11201 + caddc 11203 < clt 11343 − cmin 11541 ℕ₀cn0 12606 ...cfz 13639 Ccbc 14446 ♯chash 14474 Σcsu 15853

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-inf2 9642 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 ax-pre-sup 11278

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-se 5604 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-isom 6547 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-1o 8476 df-oadd 8480 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-fin 8977 df-sup 9434 df-inf 9435 df-oi 9504 df-dju 9982 df-card 10020 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-div 11974 df-nn 12336 df-2 12405 df-3 12406 df-n0 12607 df-z 12694 df-uz 12966 df-rp 13121 df-ico 13482 df-fz 13640 df-fzo 13789 df-seq 14145 df-exp 14205 df-fac 14418 df-bc 14447 df-hash 14475 df-cj 15266 df-re 15267 df-im 15268 df-sqrt 15402 df-abs 15403 df-clim 15655 df-sum 15854

This theorem is used by: sticksstones15 43212

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