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Mirrors > Home > MPE Home > Th. List > funopfv | Structured version Visualization version 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 5070 | . 2 ⊢ (𝐴𝐹𝐵 ↔ 〈𝐴, 𝐵〉 ∈ 𝐹) | |
2 | funbrfv 6719 | . 2 ⊢ (Fun 𝐹 → (𝐴𝐹𝐵 → (𝐹‘𝐴) = 𝐵)) | |
3 | 1, 2 | syl5bir 245 | 1 ⊢ (Fun 𝐹 → (〈𝐴, 𝐵〉 ∈ 𝐹 → (𝐹‘𝐴) = 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 ∈ wcel 2113 〈cop 4576 class class class wbr 5069 Fun wfun 6352 ‘cfv 6358 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pr 5333 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-sbc 3776 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-id 5463 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-iota 6317 df-fun 6360 df-fv 6366 |
This theorem is referenced by: fvopab3ig 6767 fvsng 6945 fveqf1o 7061 ovidig 7295 ovigg 7298 funfv1st2nd 7748 funelss 7749 f1o2ndf1 7821 fundmen 8586 uzrdg0i 13330 uzrdgsuci 13331 strfvd 16531 strfv2d 16532 imasaddvallem 16805 imasvscafn 16813 adjeq 29715 bnj1379 32106 bnj97 32142 bnj553 32174 bnj966 32220 bnj1442 32325 satfv0fvfmla0 32664 satfv1fvfmla1 32674 |
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