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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 6769 | . 2 ⊢ (𝐵 ∈ 𝐷 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | fvconst 7167 | . 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 1569 ∈ wcel 2144 {csn 4584 × cxp 5648 ⟶wf 6534 ‘cfv 6538 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-fv 6546 |
| This theorem is used by: fconst2g 7209 fvconst2 7210 ofc1 7721 ofc2 7722 caofid0l 7726 caofid0r 7727 caofid1 7728 caofid2 7729 fnsuppres 8211 ser0 14200 ser1const 14204 exp1 14213 expp1 14214 climconst2 15720 climaddc1 15807 climmulc2 15809 climsubc1 15810 climsubc2 15811 climlec2 15831 fsumconst 15961 supcvg 16030 prodf1 16065 prod0 16115 fprodconst 16150 seq1st 16751 algr0 16752 algrf 16753 ramz 17208 pwsbas 17663 pwsplusgval 17667 pwsmulrval 17668 pwsle 17669 pwsvscafval 17671 pwspjmhm 19031 pwsco1mhm 19033 pwsinvg 19268 mulgnngsum 19294 mulg1 19296 mulgnnp1 19297 mulgnnsubcl 19301 mulgnn0z 19316 mulgnndir 19318 mulgnn0di 20044 gsumconst 20153 pwslmod 21250 frlmvscaval 22079 psrlidm 22274 psrascl 22291 evlsscaval 22440 coe1tm 22597 coe1fzgsumd 22627 evl1scad 22658 evls1scafv 22689 decpmatid 23093 pmatcollpwscmatlem1 23112 lmconst 23584 cnconst2 23606 xkoptsub 23978 xkopt 23979 xkopjcn 23980 tmdgsum 24419 tmdgsum2 24420 symgtgp 24430 cstucnd 24607 pcoptcl 25347 pcopt 25348 pcopt2 25349 dvidlem 26240 dvconst 26242 dvnff 26248 dvn0 26249 dvcmul 26269 dvcmulf 26270 fta1blem 26494 plyeq0lem 26534 coemulc 26579 dgreq0 26589 dgrmulc 26595 qaa 26652 dchrisumlema 27820 exps1 28819 expsp1 28820 constcof 33262 suppovss 33321 fdifsuppconst 33329 evlscaval 34218 ofcc 34784 ofcof 34785 sseqf 35070 sseqp1 35073 lpadleft 35361 cvmlift3lem9 36178 ismrer1 38865 frlmvscadiccat 43666 fsuppssind 43714 ofoafo 44451 ofoaid1 44453 ofoaid2 44454 naddcnffo 44459 naddcnfid1 44462 dvsinax 47016 stoweidlem21 47124 stoweidlem47 47150 elaa2 47337 sqrtnnaa 48006 sqrtnzqaa 48007 zlmodzxzscm 49562 2sphere0 49955 ovconstbrd 50066 ovconstbrn0d 50067 |
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