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| Mirrors > Home > MPE Home > Th. List > mpoex | Structured version Visualization version GIF version | ||
| Description: If the domain of an operation given by maps-to notation is a set, the operation is a set. (Contributed by Mario Carneiro, 20-Dec-2013.) |
| Ref | Expression |
|---|---|
| mpoex.1 | ⊢ 𝐴 ∈ V |
| mpoex.2 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| mpoex | ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpoex.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | mpoex.2 | . . 3 ⊢ 𝐵 ∈ V | |
| 3 | 2 | rgenw 3085 | . 2 ⊢ ∀𝑥 ∈ 𝐴 𝐵 ∈ V |
| 4 | eqid 2765 | . . 3 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
| 5 | 4 | mpoexxg 8074 | . 2 ⊢ ((𝐴 ∈ V ∧ ∀𝑥 ∈ 𝐴 𝐵 ∈ V) → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) ∈ V) |
| 6 | 1, 3, 5 | mp2an 705 | 1 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) ∈ V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 ∀wral 3081 Vcvv 3457 ∈ cmpo 7418 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-oprab 7420 df-mpo 7421 df-1st 7988 df-2nd 7989 |
| This theorem is used by: qexALT 12999 ruclem13 16315 vdwapfval 17048 prdsco 17538 imasvsca 17591 homffval 17763 comfffval 17771 comffval 17772 comfffn 17777 comfeq 17779 oppccofval 17789 monfval 17806 sectffval 17824 invffval 17832 cofu1st 17957 cofu2nd 17959 cofucl 17962 natfval 18023 fuccofval 18036 fucco 18039 coafval 18138 setcco 18157 catchomfval 18176 catccofval 18178 catcco 18179 estrcco 18203 xpcval 18250 xpchomfval 18252 xpccofval 18255 xpcco 18256 1stf1 18265 1stf2 18266 2ndf1 18268 2ndf2 18269 1stfcl 18270 2ndfcl 18271 prf1 18273 prf2fval 18274 prfcl 18276 prf1st 18277 prf2nd 18278 evlf2 18291 evlf1 18293 evlfcl 18295 curf1fval 18297 curf11 18299 curf12 18300 curf1cl 18301 curf2 18302 curfcl 18305 hof1fval 18326 hof2fval 18328 hofcl 18332 yonedalem3 18353 efmndplusg 18962 mgmnsgrpex 19016 sgrpnmndex 19017 grpsubfvalALT 19074 mulgfvalALT 19159 symgvalstruct 19490 lsmfval 19731 pj1fval 19787 dvrfval 20509 psrmulr 22121 psrvscafval 22127 evlslem2 22259 mamufval 22578 mvmulfval 22728 isphtpy 25169 pcofval 25198 q1pval 26341 r1pval 26344 mulsproplem9 28346 motplusg 28840 midf 29114 ismidb 29116 ttgval 29253 ebtwntg 29361 ecgrtg 29362 elntg 29363 wwlksnon 30229 wspthsnon 30230 clwwlknonmpo 30469 vsfval 31014 dipfval 31083 idlsrgmulr 33820 smatfval 34208 lmatval 34226 qqhval 34385 dya2iocuni 34697 sxbrsigalem5 34702 sitmval 34763 signswplusg 34966 reprval 35021 mclsrcl 36066 mclsval 36068 ldualfvs 39943 paddfval 40604 tgrpopr 41554 erngfplus 41609 erngfmul 41612 erngfplus-rN 41617 erngfmul-rN 41620 dvafvadd 41821 dvafvsca 41823 dvaabl 41831 dvhfvadd 41898 dvhfvsca 41907 djafvalN 41941 djhfval 42204 hlhilip 42755 mendplusgfval 43941 mendmulrfval 43943 mendvscafval 43946 mnringmulrd 44980 mnringmulrcld 44985 hoidmvval 47324 cznrng 49059 cznnring 49060 rngchomfvalALTV 49065 rngccofvalALTV 49068 rngccoALTV 49069 ringchomfvalALTV 49099 ringccofvalALTV 49102 ringccoALTV 49103 rrx2xpreen 49532 lines 49544 spheres 49559 funcf2lem2 49893 upfval 49987 swapfelvv 50074 swapf2fvala 50075 swapf1vala 50077 tposcurf1 50110 diag1f1lem 50117 fucoelvv 50131 fucofn2 50135 fucofvalne 50136 fuco112 50140 fuco111 50141 fuco21 50147 prcofelvv 50191 reldmprcof1 50192 reldmprcof2 50193 prcof1 50199 prcof2a 50200 prcof2 50201 functhinclem1 50255 thincciso 50264 functermc2 50320 incat 50412 setc1onsubc 50413 lanfn 50420 ranfn 50421 lanfval 50424 ranfval 50425 crosspdot0i 50678 |
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