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| Mirrors > Home > ILE Home > Th. List > funopfv | GIF version | ||
| Description: The second element in an ordered pair member of a function is the function's value. (Contributed by NM, 19-Jul-1996.) |
| Ref | Expression |
|---|---|
| funopfv | ⊢ (Fun 𝐹 → (〈𝐴, 𝐵〉 ∈ 𝐹 → (𝐹‘𝐴) = 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-br 4055 | . 2 ⊢ (𝐴𝐹𝐵 ↔ 〈𝐴, 𝐵〉 ∈ 𝐹) | |
| 2 | funbrfv 5635 | . 2 ⊢ (Fun 𝐹 → (𝐴𝐹𝐵 → (𝐹‘𝐴) = 𝐵)) | |
| 3 | 1, 2 | biimtrrid 153 | 1 ⊢ (Fun 𝐹 → (〈𝐴, 𝐵〉 ∈ 𝐹 → (𝐹‘𝐴) = 𝐵)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1373 ∈ wcel 2177 〈cop 3641 class class class wbr 4054 Fun wfun 5279 ‘cfv 5285 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-14 2180 ax-ext 2188 ax-sep 4173 ax-pow 4229 ax-pr 4264 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-v 2775 df-sbc 3003 df-un 3174 df-in 3176 df-ss 3183 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3860 df-br 4055 df-opab 4117 df-id 4353 df-xp 4694 df-rel 4695 df-cnv 4696 df-co 4697 df-dm 4698 df-iota 5246 df-fun 5287 df-fv 5293 |
| This theorem is referenced by: fvopab3ig 5671 fvsn 5797 ovidig 6081 ovigg 6084 f1o2ndf1 6332 fundmen 6917 frecuzrdg0 10590 frecuzrdgsuc 10591 frecuzrdg0t 10599 frecuzrdgsuctlem 10600 strslfvd 12959 strslfv2d 12960 imasaddvallemg 13232 |
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