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Theorem fmptdff 45688
Description: A version of fmptd 7055 using bound-variable hypothesis instead of a distinct variable condition for 𝜑. (Contributed by Glauco Siliprandi, 5-Jan-2025.)
Hypotheses
Ref Expression
fmptdff.1 𝑥𝜑
fmptdff.2 𝑥𝐴
fmptdff.3 𝑥𝐶
fmptdff.4 ((𝜑𝑥𝐴) → 𝐵𝐶)
fmptdff.5 𝐹 = (𝑥𝐴𝐵)
Assertion
Ref Expression
fmptdff (𝜑𝐹:𝐴𝐶)

Proof of Theorem fmptdff
StepHypRef Expression
1 fmptdff.1 . . 3 𝑥𝜑
2 fmptdff.4 . . 3 ((𝜑𝑥𝐴) → 𝐵𝐶)
31, 2ralrimia 3234 . 2 (𝜑 → ∀𝑥𝐴 𝐵𝐶)
4 fmptdff.2 . . 3 𝑥𝐴
5 fmptdff.3 . . 3 𝑥𝐶
6 fmptdff.5 . . 3 𝐹 = (𝑥𝐴𝐵)
74, 5, 6fmptff 45686 . 2 (∀𝑥𝐴 𝐵𝐶𝐹:𝐴𝐶)
83, 7sylib 218 1 (𝜑𝐹:𝐴𝐶)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1542  wnf 1785  wcel 2114  wnfc 2882  wral 3049  cmpt 5155  wf 6483
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2184  ax-ext 2707  ax-sep 5220  ax-pr 5364
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2538  df-eu 2568  df-clab 2714  df-cleq 2727  df-clel 2810  df-nfc 2884  df-ral 3050  df-rex 3060  df-rab 3388  df-v 3429  df-sbc 3726  df-csb 3834  df-dif 3888  df-un 3890  df-in 3892  df-ss 3902  df-nul 4264  df-if 4457  df-sn 4558  df-pr 4560  df-op 4564  df-br 5075  df-opab 5137  df-mpt 5156  df-id 5515  df-xp 5626  df-rel 5627  df-cnv 5628  df-co 5629  df-dm 5630  df-rn 5631  df-res 5632  df-ima 5633  df-fun 6489  df-fn 6490  df-f 6491
This theorem is referenced by: (None)
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