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Theorem fineqvacALT 32734
Description: Shorter proof of fineqvac 32733 using ax-rep 5164 and ax-pow 5243. (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 3911 . . . 4 dom card ⊆ V
21a1i 11 . . 3 (Fin = V → dom card ⊆ V)
3 finnum 9529 . . . . 5 (𝑥 ∈ Fin → 𝑥 ∈ dom card)
43ssriv 3891 . . . 4 Fin ⊆ dom card
5 sseq1 3912 . . . 4 (Fin = V → (Fin ⊆ dom card ↔ V ⊆ dom card))
64, 5mpbii 236 . . 3 (Fin = V → V ⊆ dom card)
72, 6eqssd 3904 . 2 (Fin = V → dom card = V)
8 dfac10 9716 . 2 (CHOICE ↔ dom card = V)
97, 8sylibr 237 1 (Fin = V → CHOICE)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1543  Vcvv 3398  wss 3853  dom cdm 5536  Fincfn 8604  cardccrd 9516  CHOICEwac 9694
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1976  ax-7 2018  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2160  ax-12 2177  ax-ext 2708  ax-rep 5164  ax-sep 5177  ax-nul 5184  ax-pow 5243  ax-pr 5307  ax-un 7501
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 848  df-3or 1090  df-3an 1091  df-tru 1546  df-fal 1556  df-ex 1788  df-nf 1792  df-sb 2073  df-mo 2539  df-eu 2568  df-clab 2715  df-cleq 2728  df-clel 2809  df-nfc 2879  df-ne 2933  df-ral 3056  df-rex 3057  df-reu 3058  df-rmo 3059  df-rab 3060  df-v 3400  df-sbc 3684  df-csb 3799  df-dif 3856  df-un 3858  df-in 3860  df-ss 3870  df-pss 3872  df-nul 4224  df-if 4426  df-pw 4501  df-sn 4528  df-pr 4530  df-tp 4532  df-op 4534  df-uni 4806  df-int 4846  df-iun 4892  df-br 5040  df-opab 5102  df-mpt 5121  df-tr 5147  df-id 5440  df-eprel 5445  df-po 5453  df-so 5454  df-fr 5494  df-se 5495  df-we 5496  df-xp 5542  df-rel 5543  df-cnv 5544  df-co 5545  df-dm 5546  df-rn 5547  df-res 5548  df-ima 5549  df-pred 6140  df-ord 6194  df-on 6195  df-suc 6197  df-iota 6316  df-fun 6360  df-fn 6361  df-f 6362  df-f1 6363  df-fo 6364  df-f1o 6365  df-fv 6366  df-isom 6367  df-riota 7148  df-om 7623  df-wrecs 8025  df-recs 8086  df-er 8369  df-en 8605  df-fin 8608  df-card 9520  df-ac 9695
This theorem is referenced by: (None)
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