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| Mirrors > Home > ILE Home > Th. List > fovcdmd | GIF version | ||
| Description: An operation's value belongs to its codomain. (Contributed by Mario Carneiro, 29-Dec-2016.) |
| Ref | Expression |
|---|---|
| fovcdmd.1 | ⊢ (𝜑 → 𝐹:(𝑅 × 𝑆)⟶𝐶) |
| fovcdmd.2 | ⊢ (𝜑 → 𝐴 ∈ 𝑅) |
| fovcdmd.3 | ⊢ (𝜑 → 𝐵 ∈ 𝑆) |
| Ref | Expression |
|---|---|
| fovcdmd | ⊢ (𝜑 → (𝐴𝐹𝐵) ∈ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fovcdmd.1 | . 2 ⊢ (𝜑 → 𝐹:(𝑅 × 𝑆)⟶𝐶) | |
| 2 | fovcdmd.2 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑅) | |
| 3 | fovcdmd.3 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝑆) | |
| 4 | fovcdm 6157 | . 2 ⊢ ((𝐹:(𝑅 × 𝑆)⟶𝐶 ∧ 𝐴 ∈ 𝑅 ∧ 𝐵 ∈ 𝑆) → (𝐴𝐹𝐵) ∈ 𝐶) | |
| 5 | 1, 2, 3, 4 | syl3anc 1271 | 1 ⊢ (𝜑 → (𝐴𝐹𝐵) ∈ 𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 × cxp 4718 ⟶wf 5317 (class class class)co 6010 |
| 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 4202 ax-pow 4259 ax-pr 4294 |
| 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-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 3889 df-br 4084 df-opab 4146 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-iota 5281 df-fun 5323 df-fn 5324 df-f 5325 df-fv 5329 df-ov 6013 |
| This theorem is referenced by: eroveu 6786 isxmet2d 15043 ismet2 15049 comet 15194 bdmetval 15195 txmetcnp 15213 limccnp2lem 15371 limccnp2cntop 15372 |
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