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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 5536 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | fvconst 5845 | . 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 1397 ∈ wcel 2201 {csn 3670 × cxp 4725 ⟶wf 5324 ‘cfv 5328 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-v 2803 df-sbc 3031 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-fv 5336 |
| This theorem is referenced by: fconst2g 5872 fvconst2 5873 ofc1g 6262 ofc2g 6263 caofid0l 6267 caofid0r 6268 caofid1 6269 caofid2 6270 ser0 10801 exp3vallem 10808 exp3val 10809 exp1 10813 expp1 10814 resqrexlem1arp 11588 resqrexlemf1 11591 climconst2 11874 climaddc1 11912 climmulc2 11914 climsubc1 11915 climsubc2 11916 climlec2 11924 prodf1 12126 prod0 12169 ialgrlemconst 12638 ialgr0 12639 algrf 12640 algrp1 12641 pwsbas 13398 pwsplusgval 13401 pwsmulrval 13402 0mhm 13592 pwsinvg 13718 mulgval 13732 mulgfng 13734 mulgnngsum 13737 mulg1 13739 mulgnnp1 13740 mulgnnsubcl 13744 mulgnn0z 13759 mulgnndir 13761 mplsubgfilemm 14741 lmconst 14969 cnconst2 14986 dvidlemap 15444 dvidrelem 15445 dvidsslem 15446 dvconst 15447 dvconstre 15449 dvconstss 15451 dvef 15480 |
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