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Theorem fovcdmd 6015
Description: An operation's value belongs to its codomain. (Contributed by Mario Carneiro, 29-Dec-2016.)
Hypotheses
Ref Expression
fovcdmd.1 (𝜑𝐹:(𝑅 × 𝑆)⟶𝐶)
fovcdmd.2 (𝜑𝐴𝑅)
fovcdmd.3 (𝜑𝐵𝑆)
Assertion
Ref Expression
fovcdmd (𝜑 → (𝐴𝐹𝐵) ∈ 𝐶)

Proof of Theorem fovcdmd
StepHypRef Expression
1 fovcdmd.1 . 2 (𝜑𝐹:(𝑅 × 𝑆)⟶𝐶)
2 fovcdmd.2 . 2 (𝜑𝐴𝑅)
3 fovcdmd.3 . 2 (𝜑𝐵𝑆)
4 fovcdm 6013 . 2 ((𝐹:(𝑅 × 𝑆)⟶𝐶𝐴𝑅𝐵𝑆) → (𝐴𝐹𝐵) ∈ 𝐶)
51, 2, 3, 4syl3anc 1238 1 (𝜑 → (𝐴𝐹𝐵) ∈ 𝐶)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2148   × cxp 4623  wf 5210  (class class class)co 5871
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 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-14 2151  ax-ext 2159  ax-sep 4120  ax-pow 4173  ax-pr 4208
This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ral 2460  df-rex 2461  df-v 2739  df-sbc 2963  df-un 3133  df-in 3135  df-ss 3142  df-pw 3577  df-sn 3598  df-pr 3599  df-op 3601  df-uni 3810  df-br 4003  df-opab 4064  df-id 4292  df-xp 4631  df-rel 4632  df-cnv 4633  df-co 4634  df-dm 4635  df-rn 4636  df-iota 5176  df-fun 5216  df-fn 5217  df-f 5218  df-fv 5222  df-ov 5874
This theorem is referenced by:  eroveu  6622  isxmet2d  13710  ismet2  13716  comet  13861  bdmetval  13862  txmetcnp  13880  limccnp2lem  14007  limccnp2cntop  14008
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