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Theorem fineqvacALT 35147
Description: Shorter proof of fineqvac 35146 using ax-rep 5219 and ax-pow 5305. (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 3954 . . . 4 dom card ⊆ V
21a1i 11 . . 3 (Fin = V → dom card ⊆ V)
3 finnum 9847 . . . . 5 (𝑥 ∈ Fin → 𝑥 ∈ dom card)
43ssriv 3933 . . . 4 Fin ⊆ dom card
5 sseq1 3955 . . . 4 (Fin = V → (Fin ⊆ dom card ↔ V ⊆ dom card))
64, 5mpbii 233 . . 3 (Fin = V → V ⊆ dom card)
72, 6eqssd 3947 . 2 (Fin = V → dom card = V)
8 dfac10 10035 . 2 (CHOICE ↔ dom card = V)
97, 8sylibr 234 1 (Fin = V → CHOICE)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1541  Vcvv 3436  wss 3897  dom cdm 5619  Fincfn 8875  cardccrd 9834  CHOICEwac 10012
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5219  ax-sep 5236  ax-nul 5246  ax-pow 5305  ax-pr 5372  ax-un 7674
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-ral 3048  df-rex 3057  df-rmo 3346  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3737  df-csb 3846  df-dif 3900  df-un 3902  df-in 3904  df-ss 3914  df-pss 3917  df-nul 4283  df-if 4475  df-pw 4551  df-sn 4576  df-pr 4578  df-op 4582  df-uni 4859  df-int 4898  df-iun 4943  df-br 5094  df-opab 5156  df-mpt 5175  df-tr 5201  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-se 5573  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6254  df-ord 6315  df-on 6316  df-suc 6318  df-iota 6443  df-fun 6489  df-fn 6490  df-f 6491  df-f1 6492  df-fo 6493  df-f1o 6494  df-fv 6495  df-isom 6496  df-riota 7309  df-ov 7355  df-om 7803  df-2nd 7928  df-frecs 8217  df-wrecs 8248  df-recs 8297  df-er 8628  df-en 8876  df-fin 8879  df-card 9838  df-ac 10013
This theorem is referenced by: (None)
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