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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 5563 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | fvconst 5871 | . 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 1398 ∈ wcel 2203 {csn 3688 × cxp 4746 ⟶wf 5347 ‘cfv 5351 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-sep 4227 ax-pow 4286 ax-pr 4321 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2814 df-sbc 3042 df-un 3214 df-in 3216 df-ss 3223 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-br 4109 df-opab 4171 df-mpt 4172 df-id 4413 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-fv 5359 |
| This theorem is referenced by: fconst2g 5898 fvconst2 5899 ofc1g 6287 ofc2g 6288 caofid0l 6292 caofid0r 6293 caofid1 6294 caofid2 6295 fczsupp0 6458 ser0 10891 exp3vallem 10898 exp3val 10899 exp1 10903 expp1 10904 resqrexlem1arp 11683 resqrexlemf1 11686 climconst2 11969 climaddc1 12007 climmulc2 12009 climsubc1 12010 climsubc2 12011 climlec2 12019 prodf1 12221 prod0 12264 ialgrlemconst 12733 ialgr0 12734 algrf 12735 algrp1 12736 pwsbas 13494 pwsplusgval 13497 pwsmulrval 13498 0mhm 13688 pwsinvg 13814 mulgval 13828 mulgfng 13830 mulgnngsum 13833 mulg1 13835 mulgnnp1 13836 mulgnnsubcl 13840 mulgnn0z 13855 mulgnndir 13857 mplsubgfilemm 14840 lmconst 15068 cnconst2 15085 dvidlemap 15543 dvidrelem 15544 dvidsslem 15545 dvconst 15546 dvconstre 15548 dvconstss 15550 dvef 15579 |
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