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Theorem fvmptd 5253
Description: Deduction version of fvmpt 5249. (Contributed by Scott Fenton, 18-Feb-2013.) (Revised by Mario Carneiro, 31-Aug-2015.)
Hypotheses
Ref Expression
fvmptd.1 (𝜑𝐹 = (𝑥𝐷𝐵))
fvmptd.2 ((𝜑𝑥 = 𝐴) → 𝐵 = 𝐶)
fvmptd.3 (𝜑𝐴𝐷)
fvmptd.4 (𝜑𝐶𝑉)
Assertion
Ref Expression
fvmptd (𝜑 → (𝐹𝐴) = 𝐶)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐶   𝑥,𝐷   𝜑,𝑥
Allowed substitution hints:   𝐵(𝑥)   𝐹(𝑥)   𝑉(𝑥)

Proof of Theorem fvmptd
StepHypRef Expression
1 fvmptd.1 . . 3 (𝜑𝐹 = (𝑥𝐷𝐵))
21fveq1d 5180 . 2 (𝜑 → (𝐹𝐴) = ((𝑥𝐷𝐵)‘𝐴))
3 fvmptd.3 . . 3 (𝜑𝐴𝐷)
4 fvmptd.2 . . . . 5 ((𝜑𝑥 = 𝐴) → 𝐵 = 𝐶)
53, 4csbied 2892 . . . 4 (𝜑𝐴 / 𝑥𝐵 = 𝐶)
6 fvmptd.4 . . . 4 (𝜑𝐶𝑉)
75, 6eqeltrd 2114 . . 3 (𝜑𝐴 / 𝑥𝐵𝑉)
8 eqid 2040 . . . 4 (𝑥𝐷𝐵) = (𝑥𝐷𝐵)
98fvmpts 5250 . . 3 ((𝐴𝐷𝐴 / 𝑥𝐵𝑉) → ((𝑥𝐷𝐵)‘𝐴) = 𝐴 / 𝑥𝐵)
103, 7, 9syl2anc 391 . 2 (𝜑 → ((𝑥𝐷𝐵)‘𝐴) = 𝐴 / 𝑥𝐵)
112, 10, 53eqtrd 2076 1 (𝜑 → (𝐹𝐴) = 𝐶)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 97   = wceq 1243  wcel 1393  csb 2852  cmpt 3818  cfv 4902
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-io 630  ax-5 1336  ax-7 1337  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-10 1396  ax-11 1397  ax-i12 1398  ax-bndl 1399  ax-4 1400  ax-14 1405  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-i5r 1428  ax-ext 2022  ax-sep 3875  ax-pow 3927  ax-pr 3944
This theorem depends on definitions:  df-bi 110  df-3an 887  df-tru 1246  df-nf 1350  df-sb 1646  df-eu 1903  df-mo 1904  df-clab 2027  df-cleq 2033  df-clel 2036  df-nfc 2167  df-ral 2311  df-rex 2312  df-v 2559  df-sbc 2765  df-csb 2853  df-un 2922  df-in 2924  df-ss 2931  df-pw 3361  df-sn 3381  df-pr 3382  df-op 3384  df-uni 3581  df-br 3765  df-opab 3819  df-mpt 3820  df-id 4030  df-xp 4351  df-rel 4352  df-cnv 4353  df-co 4354  df-dm 4355  df-iota 4867  df-fun 4904  df-fv 4910
This theorem is referenced by:  fvmptdv2  5260  rdgivallem  5968  cardcl  6361  caucvgsrlemfv  6875  caucvgsrlemoffval  6880  axcaucvglemval  6971  climcvg1nlem  9868
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