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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 6761 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | fvconst 7159 | . 2 ⊢ (((𝐴 × {𝐵}):𝐴⟶{𝐵} ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) | |
| 3 | 1, 2 | sylan 592 | 1 ⊢ ((𝐵 ∈ 𝐷 ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 {csn 4584 × cxp 5649 ⟶wf 6527 ‘cfv 6531 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-fv 6539 |
| This theorem is used by: fconst2g 7201 fvconst2 7202 ofc1 7710 ofc2 7711 caofid0l 7715 caofid0r 7716 caofid1 7717 caofid2 7718 fnsuppres 8192 ser0 14177 ser1const 14181 exp1 14190 expp1 14191 climconst2 15695 climaddc1 15782 climmulc2 15784 climsubc1 15785 climsubc2 15786 climlec2 15806 fsumconst 15936 supcvg 16005 prodf1 16040 prod0 16090 fprodconst 16125 seq1st 16726 algr0 16727 algrf 16728 ramz 17183 pwsbas 17638 pwsplusgval 17642 pwsmulrval 17643 pwsle 17644 pwsvscafval 17646 pwspjmhm 19006 pwsco1mhm 19008 pwsinvg 19243 mulgnngsum 19269 mulg1 19271 mulgnnp1 19272 mulgnnsubcl 19276 mulgnn0z 19291 mulgnndir 19293 mulgnn0di 20019 gsumconst 20128 pwslmod 21225 frlmvscaval 22054 psrlidm 22249 psrascl 22266 evlsscaval 22415 coe1tm 22572 coe1fzgsumd 22602 evl1scad 22633 evls1scafv 22664 decpmatid 23068 pmatcollpwscmatlem1 23087 lmconst 23559 cnconst2 23581 xkoptsub 23953 xkopt 23954 xkopjcn 23955 tmdgsum 24394 tmdgsum2 24395 symgtgp 24405 cstucnd 24582 pcoptcl 25322 pcopt 25323 pcopt2 25324 dvidlem 26215 dvconst 26217 dvnff 26223 dvn0 26224 dvcmul 26244 dvcmulf 26245 fta1blem 26469 plyeq0lem 26509 coemulc 26554 dgreq0 26564 dgrmulc 26570 qaa 26629 dchrisumlema 27797 exps1 28796 expsp1 28797 constcof 33197 suppovss 33256 fdifsuppconst 33264 evlscaval 34154 ofcc 34720 ofcof 34721 sseqf 35007 sseqp1 35010 lpadleft 35298 cvmlift3lem9 36061 ismrer1 38740 frlmvscadiccat 43538 fsuppssind 43583 ofoafo 44316 ofoaid1 44318 ofoaid2 44319 naddcnffo 44324 naddcnfid1 44327 dvsinax 46867 stoweidlem21 46975 stoweidlem47 47001 elaa2 47188 sqrtnnaa 47857 sqrtnzqaa 47858 zlmodzxzscm 49413 2sphere0 49806 ovconstbrd 49916 ovconstbrn0d 49917 |
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