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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 5569 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | fvconst 5877 | . 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 2205 {csn 3694 × cxp 4752 ⟶wf 5353 ‘cfv 5357 |
| 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 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-sbc 3046 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-fv 5365 |
| This theorem is referenced by: fconst2g 5904 fvconst2 5905 ofc1g 6297 ofc2g 6298 caofid0l 6302 caofid0r 6303 caofid1 6304 caofid2 6305 fczsupp0 6472 ser0 10922 exp3vallem 10929 exp3val 10930 exp1 10934 expp1 10935 resqrexlem1arp 11718 resqrexlemf1 11721 climconst2 12004 climaddc1 12042 climmulc2 12044 climsubc1 12045 climsubc2 12046 climlec2 12054 prodf1 12256 prod0 12299 ialgrlemconst 12768 ialgr0 12769 algrf 12770 algrp1 12771 0mhm 13744 mulgval 13878 mulgfng 13880 mulgnngsum 13883 mulg1 13885 mulgnnp1 13886 mulgnnsubcl 13890 mulgnn0z 13905 mulgnndir 13907 pwsbas 14150 pwsplusgval 14153 pwsmulrval 14154 pwsinvg 14160 mplsubgfilemm 14982 lmconst 15210 cnconst2 15227 dvidlemap 15685 dvidrelem 15686 dvidsslem 15687 dvconst 15688 dvconstre 15690 dvconstss 15692 dvef 15721 |
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