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Theorem fineqvacALT 35304
Description: Shorter proof of fineqvac 35303 using ax-rep 5202 and ax-pow 5297. (Contributed by BTernaryTau, 21-Sep-2024.) (Proof modification is discouraged.) (New usage is discouraged.)
Assertion
Ref Expression
fineqvacALT (Fin = V → CHOICE)

Proof of Theorem fineqvacALT
StepHypRef Expression
1 ssv 3942 . . . 4 dom card ⊆ V
21a1i 11 . . 3 (Fin = V → dom card ⊆ V)
3 finnum 9866 . . . . 5 (𝑥 ∈ Fin → 𝑥 ∈ dom card)
43ssriv 3922 . . . 4 Fin ⊆ dom card
5 sseq1 3943 . . . 4 (Fin = V → (Fin ⊆ dom card ↔ V ⊆ dom card))
64, 5mpbii 234 . . 3 (Fin = V → V ⊆ dom card)
72, 6eqssd 3935 . 2 (Fin = V → dom card = V)
8 dfac10 10054 . 2 (CHOICE ↔ dom card = V)
97, 8sylibr 235 1 (Fin = V → CHOICE)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1543  Vcvv 3428  wss 3886  dom cdm 5621  Fincfn 8886  cardccrd 9853  CHOICEwac 10031
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1970  ax-7 2011  ax-8 2117  ax-9 2125  ax-10 2148  ax-11 2164  ax-12 2185  ax-ext 2708  ax-rep 5202  ax-sep 5221  ax-nul 5231  ax-pow 5297  ax-pr 5365  ax-un 7681
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 850  df-3or 1089  df-3an 1090  df-tru 1546  df-fal 1556  df-ex 1783  df-nf 1787  df-sb 2070  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2932  df-ral 3051  df-rex 3061  df-rmo 3341  df-reu 3342  df-rab 3389  df-v 3430  df-sbc 3727  df-csb 3835  df-dif 3889  df-un 3891  df-in 3893  df-ss 3903  df-pss 3906  df-nul 4265  df-if 4458  df-pw 4534  df-sn 4559  df-pr 4561  df-op 4565  df-uni 4842  df-int 4881  df-iun 4926  df-br 5076  df-opab 5138  df-mpt 5157  df-tr 5183  df-id 5516  df-eprel 5521  df-po 5529  df-so 5530  df-fr 5574  df-se 5575  df-we 5576  df-xp 5627  df-rel 5628  df-cnv 5629  df-co 5630  df-dm 5631  df-rn 5632  df-res 5633  df-ima 5634  df-pred 6255  df-ord 6316  df-on 6317  df-suc 6319  df-iota 6444  df-fun 6490  df-fn 6491  df-f 6492  df-f1 6493  df-fo 6494  df-f1o 6495  df-fv 6496  df-isom 6497  df-riota 7316  df-ov 7362  df-om 7810  df-2nd 7935  df-frecs 8224  df-wrecs 8255  df-recs 8304  df-er 8636  df-en 8887  df-fin 8890  df-card 9857  df-ac 10032
This theorem is referenced by: (None)
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