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Theorem fovcdmd 6198
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 6196 . 2 ((𝐹:(𝑅 × 𝑆)⟶𝐶𝐴𝑅𝐵𝑆) → (𝐴𝐹𝐵) ∈ 𝐶)
51, 2, 3, 4syl3anc 1274 1 (𝜑 → (𝐴𝐹𝐵) ∈ 𝐶)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2203   × cxp 4746  wf 5347  (class class class)co 6049
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2206  ax-ext 2214  ax-sep 4227  ax-pow 4286  ax-pr 4321
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-v 2814  df-sbc 3042  df-un 3214  df-in 3216  df-ss 3223  df-pw 3670  df-sn 3694  df-pr 3695  df-op 3697  df-uni 3914  df-br 4109  df-opab 4171  df-id 4413  df-xp 4754  df-rel 4755  df-cnv 4756  df-co 4757  df-dm 4758  df-rn 4759  df-iota 5311  df-fun 5353  df-fn 5354  df-f 5355  df-fv 5359  df-ov 6052
This theorem is referenced by:  eroveu  6859  isxmet2d  15205  ismet2  15211  comet  15356  bdmetval  15357  txmetcnp  15375  limccnp2lem  15533  limccnp2cntop  15534
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