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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 6791 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | fvconst 7191 | . 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 2147 {csn 4588 × cxp 5653 ⟶wf 6554 ‘cfv 6558 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pr 5395 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-fv 6566 |
| This theorem is used by: fconst2g 7232 fvconst2 7233 ofc1 7745 ofc2 7746 caofid0l 7750 caofid0r 7751 caofid1 7752 caofid2 7753 fnsuppres 8236 ser0 14224 ser1const 14228 exp1 14237 expp1 14238 climconst2 15744 climaddc1 15831 climmulc2 15833 climsubc1 15834 climsubc2 15835 climlec2 15855 fsumconst 15985 supcvg 16054 prodf1 16089 prod0 16139 fprodconst 16174 seq1st 16775 algr0 16776 algrf 16777 ramz 17232 pwsbas 17687 pwsplusgval 17691 pwsmulrval 17692 pwsle 17693 pwsvscafval 17695 pwspjmhm 19055 pwsco1mhm 19057 pwsinvg 19292 mulgnngsum 19318 mulg1 19320 mulgnnp1 19321 mulgnnsubcl 19325 mulgnn0z 19340 mulgnndir 19342 mulgnn0di 20069 gsumconst 20178 pwslmod 21275 frlmvscaval 22104 psrlidm 22299 psrascl 22316 evlsscaval 22465 coe1tm 22622 coe1fzgsumd 22652 evl1scad 22683 evls1scafv 22714 decpmatid 23118 pmatcollpwscmatlem1 23137 lmconst 23609 cnconst2 23631 xkoptsub 24003 xkopt 24004 xkopjcn 24005 tmdgsum 24444 tmdgsum2 24445 symgtgp 24455 cstucnd 24632 pcoptcl 25372 pcopt 25373 pcopt2 25374 dvidlem 26265 dvconst 26267 dvnff 26273 dvn0 26274 dvcmul 26294 dvcmulf 26295 fta1blem 26519 plyeq0lem 26559 coemulc 26604 dgreq0 26614 dgrmulc 26620 qaa 26677 dchrisumlema 27845 exps1 28844 expsp1 28845 constcof 33287 suppovss 33345 fdifsuppconst 33353 evlscaval 34242 ofcc 34808 ofcof 34809 sseqf 35094 sseqp1 35097 lpadleft 35385 cvmlift3lem9 36259 ismrer1 38964 frlmvscadiccat 43766 fsuppssind 43814 ofoafo 44550 ofoaid1 44552 ofoaid2 44553 naddcnffo 44558 naddcnfid1 44561 dvsinax 47128 stoweidlem21 47236 stoweidlem47 47262 elaa2 47449 sqrtnnaa 48118 sqrtnzqaa 48119 zlmodzxzscm 49674 ovconstbrd 50178 ovconstbrn0d 50179 |
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