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Mirrors > Home > MPE Home > Th. List > fvconst2g | Structured version Visualization version 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 6568 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
2 | fvconst 6928 | . 2 ⊢ (((𝐴 × {𝐵}):𝐴⟶{𝐵} ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) | |
3 | 1, 2 | sylan 582 | 1 ⊢ ((𝐵 ∈ 𝐷 ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 {csn 4569 × cxp 5555 ⟶wf 6353 ‘cfv 6357 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pr 5332 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-sbc 3775 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-fv 6365 |
This theorem is referenced by: fconst2g 6967 fvconst2 6968 ofc1 7434 ofc2 7435 caofid0l 7439 caofid0r 7440 caofid1 7441 caofid2 7442 fnsuppres 7859 ser0 13425 ser1const 13429 exp1 13438 expp1 13439 climconst2 14907 climaddc1 14993 climmulc2 14995 climsubc1 14996 climsubc2 14997 climlec2 15017 fsumconst 15147 supcvg 15213 prodf1 15249 prod0 15299 fprodconst 15334 seq1st 15917 algr0 15918 algrf 15919 ramz 16363 pwsbas 16762 pwsplusgval 16765 pwsmulrval 16766 pwsle 16767 pwsvscafval 16769 pwspjmhm 17996 pwsco1mhm 17998 pwsinvg 18214 mulgnngsum 18235 mulg1 18237 mulgnnp1 18238 mulgnnsubcl 18242 mulgnn0z 18256 mulgnndir 18258 mulgnn0di 18948 gsumconst 19056 pwslmod 19744 psrlidm 20185 coe1tm 20443 coe1fzgsumd 20472 evl1scad 20500 frlmvscaval 20914 decpmatid 21380 pmatcollpwscmatlem1 21399 lmconst 21871 cnconst2 21893 xkoptsub 22264 xkopt 22265 xkopjcn 22266 tmdgsum 22705 tmdgsum2 22706 symgtgp 22716 cstucnd 22895 pcoptcl 23627 pcopt 23628 pcopt2 23629 dvidlem 24515 dvconst 24516 dvnff 24522 dvn0 24523 dvcmul 24543 dvcmulf 24544 fta1blem 24764 plyeq0lem 24802 coemulc 24847 dgreq0 24857 dgrmulc 24863 qaa 24914 dchrisumlema 26066 suppovss 30428 ofcc 31367 ofcof 31368 sseqf 31652 sseqp1 31655 lpadleft 31956 cvmlift3lem9 32576 ismrer1 35118 frlmvscadiccat 39152 dvsinax 42204 stoweidlem21 42313 stoweidlem47 42339 elaa2 42526 zlmodzxzscm 44412 2sphere0 44744 |
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