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Theorem fmpti 5786
Description: Functionality of the mapping operation. (Contributed by NM, 19-Mar-2005.) (Revised by Mario Carneiro, 1-Sep-2015.)
Hypotheses
Ref Expression
fmpt.1 𝐹 = (𝑥𝐴𝐶)
fmpti.2 (𝑥𝐴𝐶𝐵)
Assertion
Ref Expression
fmpti 𝐹:𝐴𝐵
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵
Allowed substitution hints:   𝐶(𝑥)   𝐹(𝑥)

Proof of Theorem fmpti
StepHypRef Expression
1 fmpti.2 . . 3 (𝑥𝐴𝐶𝐵)
21rgen 2583 . 2 𝑥𝐴 𝐶𝐵
3 fmpt.1 . . 3 𝐹 = (𝑥𝐴𝐶)
43fmpt 5784 . 2 (∀𝑥𝐴 𝐶𝐵𝐹:𝐴𝐵)
52, 4mpbi 145 1 𝐹:𝐴𝐵
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1395  wcel 2200  wral 2508  cmpt 4144  wf 5313
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-14 2203  ax-ext 2211  ax-sep 4201  ax-pow 4257  ax-pr 4292
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-rab 2517  df-v 2801  df-sbc 3029  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-br 4083  df-opab 4145  df-mpt 4146  df-id 4383  df-xp 4724  df-rel 4725  df-cnv 4726  df-co 4727  df-dm 4728  df-rn 4729  df-res 4730  df-ima 4731  df-iota 5277  df-fun 5319  df-fn 5320  df-f 5321  df-fv 5325
This theorem is referenced by:  omp1eomlem  7257  fnn0nninf  10655  cjf  11353  ref  11361  imf  11362  absf  11616  eff  12169  sinf  12210  cosf  12211  bitsf  12452  fnum  12707  fden  12708  divcnap  15233  dveflem  15394  2lgslem1b  15762  nnsf  16330  nninfself  16338
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