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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 3086 | . 2 ⊢ ∀𝑥 ∈ 𝐴 𝐵 ∈ V |
| 4 | eqid 2766 | . . 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 3082 Vcvv 3458 ∈ 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 2738 ax-rep 5241 ax-sep 5260 ax-nul 5272 ax-pow 5339 ax-pr 5407 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4491 df-pw 4567 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4876 df-iun 4961 df-br 5113 df-opab 5177 df-mpt 5196 df-id 5559 df-xp 5670 df-rel 5671 df-cnv 5672 df-co 5673 df-dm 5674 df-rn 5675 df-res 5676 df-ima 5677 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 12998 ruclem13 16308 vdwapfval 17041 prdsco 17531 imasvsca 17584 homffval 17756 comfffval 17764 comffval 17765 comfffn 17770 comfeq 17772 oppccofval 17782 monfval 17799 sectffval 17817 invffval 17825 cofu1st 17950 cofu2nd 17952 cofucl 17955 natfval 18016 fuccofval 18029 fucco 18032 coafval 18131 setcco 18150 catchomfval 18169 catccofval 18171 catcco 18172 estrcco 18196 xpcval 18243 xpchomfval 18245 xpccofval 18248 xpcco 18249 1stf1 18258 1stf2 18259 2ndf1 18261 2ndf2 18262 1stfcl 18263 2ndfcl 18264 prf1 18266 prf2fval 18267 prfcl 18269 prf1st 18270 prf2nd 18271 evlf2 18284 evlf1 18286 evlfcl 18288 curf1fval 18290 curf11 18292 curf12 18293 curf1cl 18294 curf2 18295 curfcl 18298 hof1fval 18319 hof2fval 18321 hofcl 18325 yonedalem3 18346 efmndplusg 18949 mgmnsgrpex 19003 sgrpnmndex 19004 grpsubfvalALT 19061 mulgfvalALT 19146 symgvalstruct 19477 lsmfval 19718 pj1fval 19774 dvrfval 20495 psrmulr 22107 psrvscafval 22113 evlslem2 22245 mamufval 22564 mvmulfval 22714 isphtpy 25155 pcofval 25184 q1pval 26327 r1pval 26330 mulsproplem9 28332 motplusg 28826 midf 29100 ismidb 29102 ttgval 29239 ebtwntg 29347 ecgrtg 29348 elntg 29349 wwlksnon 30215 wspthsnon 30216 clwwlknonmpo 30455 vsfval 31000 dipfval 31069 idlsrgmulr 33810 smatfval 34198 lmatval 34216 qqhval 34375 dya2iocuni 34686 sxbrsigalem5 34691 sitmval 34752 signswplusg 34955 reprval 35010 mclsrcl 36065 mclsval 36067 ldualfvs 39942 paddfval 40603 tgrpopr 41553 erngfplus 41608 erngfmul 41611 erngfplus-rN 41616 erngfmul-rN 41619 dvafvadd 41820 dvafvsca 41822 dvaabl 41830 dvhfvadd 41897 dvhfvsca 41906 djafvalN 41940 djhfval 42203 hlhilip 42754 mendplusgfval 43940 mendmulrfval 43942 mendvscafval 43945 mnringmulrd 44979 mnringmulrcld 44984 hoidmvval 47323 cznrng 49058 cznnring 49059 rngchomfvalALTV 49064 rngccofvalALTV 49067 rngccoALTV 49068 ringchomfvalALTV 49098 ringccofvalALTV 49101 ringccoALTV 49102 rrx2xpreen 49531 lines 49543 spheres 49558 funcf2lem2 49892 upfval 49986 swapfelvv 50073 swapf2fvala 50074 swapf1vala 50076 tposcurf1 50109 diag1f1lem 50116 fucoelvv 50130 fucofn2 50134 fucofvalne 50135 fuco112 50139 fuco111 50140 fuco21 50146 prcofelvv 50190 reldmprcof1 50191 reldmprcof2 50192 prcof1 50198 prcof2a 50199 prcof2 50200 functhinclem1 50254 thincciso 50263 functermc2 50319 incat 50411 setc1onsubc 50412 lanfn 50419 ranfn 50420 lanfval 50423 ranfval 50424 crosspdot0i 50676 |
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