Users' Mathboxes Mathbox for Glauco Siliprandi < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  fmptdff Structured version   Visualization version   GIF version

Theorem fmptdff 45287
Description: A version of fmptd 7042 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 3229 . 2 (𝜑 → ∀𝑥𝐴 𝐵𝐶)
4 fmptdff.2 . . 3 𝑥𝐴
5 fmptdff.3 . . 3 𝑥𝐶
6 fmptdff.5 . . 3 𝐹 = (𝑥𝐴𝐵)
74, 5, 6fmptff 45285 . 2 (∀𝑥𝐴 𝐵𝐶𝐹:𝐴𝐶)
83, 7sylib 218 1 (𝜑𝐹:𝐴𝐶)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1541  wnf 1784  wcel 2110  wnfc 2877  wral 3045  cmpt 5170  wf 6473
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 2112  ax-9 2120  ax-10 2143  ax-11 2159  ax-12 2179  ax-ext 2702  ax-sep 5232  ax-nul 5242  ax-pr 5368
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2067  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ral 3046  df-rex 3055  df-rab 3394  df-v 3436  df-sbc 3740  df-csb 3849  df-dif 3903  df-un 3905  df-in 3907  df-ss 3917  df-nul 4282  df-if 4474  df-sn 4575  df-pr 4577  df-op 4581  df-br 5090  df-opab 5152  df-mpt 5171  df-id 5509  df-xp 5620  df-rel 5621  df-cnv 5622  df-co 5623  df-dm 5624  df-rn 5625  df-res 5626  df-ima 5627  df-fun 6479  df-fn 6480  df-f 6481
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator