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| Mirrors > Home > ILE Home > Th. List > fvconst2g | GIF version | ||
| Description: The value of a constant function. (Contributed by NM, 20-Aug-2005.) |
| Ref | Expression |
|---|---|
| fvconst2g | ⊢ ((𝐵 ∈ 𝐷 ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fconstg 5527 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | fvconst 5834 | . 2 ⊢ (((𝐴 × {𝐵}):𝐴⟶{𝐵} ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) | |
| 3 | 1, 2 | sylan 283 | 1 ⊢ ((𝐵 ∈ 𝐷 ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∈ wcel 2200 {csn 3666 × cxp 4718 ⟶wf 5317 ‘cfv 5321 |
| 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-mpt 4147 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 |
| This theorem is referenced by: fconst2g 5861 fvconst2 5862 ofc1g 6249 ofc2g 6250 caofid0l 6254 caofid0r 6255 caofid1 6256 caofid2 6257 ser0 10772 exp3vallem 10779 exp3val 10780 exp1 10784 expp1 10785 resqrexlem1arp 11537 resqrexlemf1 11540 climconst2 11823 climaddc1 11861 climmulc2 11863 climsubc1 11864 climsubc2 11865 climlec2 11873 prodf1 12074 prod0 12117 ialgrlemconst 12586 ialgr0 12587 algrf 12588 algrp1 12589 pwsbas 13346 pwsplusgval 13349 pwsmulrval 13350 0mhm 13540 pwsinvg 13666 mulgval 13680 mulgfng 13682 mulgnngsum 13685 mulg1 13687 mulgnnp1 13688 mulgnnsubcl 13692 mulgnn0z 13707 mulgnndir 13709 mplsubgfilemm 14683 lmconst 14911 cnconst2 14928 dvidlemap 15386 dvidrelem 15387 dvidsslem 15388 dvconst 15389 dvconstre 15391 dvconstss 15393 dvef 15422 |
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