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| Mirrors > Home > MPE Home > Th. List > mpoeq123dv | Structured version Visualization version GIF version | ||
| Description: An equality deduction for the maps-to notation. (Contributed by NM, 12-Sep-2011.) |
| Ref | Expression |
|---|---|
| mpoeq123dv.1 | ⊢ (𝜑 → 𝐴 = 𝐷) |
| mpoeq123dv.2 | ⊢ (𝜑 → 𝐵 = 𝐸) |
| mpoeq123dv.3 | ⊢ (𝜑 → 𝐶 = 𝐹) |
| Ref | Expression |
|---|---|
| mpoeq123dv | ⊢ (𝜑 → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐷, 𝑦 ∈ 𝐸 ↦ 𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpoeq123dv.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐷) | |
| 2 | mpoeq123dv.2 | . . 3 ⊢ (𝜑 → 𝐵 = 𝐸) | |
| 3 | 2 | adantr 486 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 = 𝐸) |
| 4 | mpoeq123dv.3 | . . 3 ⊢ (𝜑 → 𝐶 = 𝐹) | |
| 5 | 4 | adantr 486 | . 2 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → 𝐶 = 𝐹) |
| 6 | 1, 3, 5 | mpoeq123dva 7496 | 1 ⊢ (𝜑 → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐷, 𝑦 ∈ 𝐸 ↦ 𝐹)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∈ cmpo 7424 |
| 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-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-oprab 7426 df-mpo 7427 |
| This theorem is used by: mpoeq123i 7498 mptmpoopabbrd 8096 el2mpocsbcl 8098 bropopvvv 8103 bropfvvvv 8105 prdsval 17633 imasval 17690 imasvscaval 17717 homffval 17871 homfeq 17875 comfffval 17879 comffval 17880 comfffval2 17882 comffval2 17883 comfeq 17887 oppcval 17894 monfval 17914 sectffval 17932 invffval 17940 isofn 17957 cofuval 18064 natfval 18131 fucval 18143 fucco 18147 coafval 18246 setcval 18259 setcco 18265 catcval 18282 catcco 18287 estrcval 18305 estrcco 18311 xpcval 18358 1stfval 18372 2ndfval 18375 prfval 18380 evlfval 18398 evlf2 18399 curfval 18404 hofval 18433 hof2fval 18436 plusffval 18829 efmnd 19073 grpsubfval 19201 grpsubfvalALT 19202 grpsubpropd 19262 mulgfval 19286 mulgfvalALT 19287 mulgpropd 19333 lsmfval 19859 pj1fval 19915 efgtf 19943 prdsmgp 20378 dvrfval 20639 funcrngcsetcALT 20900 scaffval 21162 ipffval 21961 phssip 21971 frlmip 22091 psrval 22230 mamufval 22714 mvmulfval 22864 marrepfval 22882 marepvfval 22887 submafval 22901 submaval 22903 madufval 22959 minmar1fval 22968 mat2pmatfval 23048 cpm2mfval 23074 decpmatval0 23089 decpmatval 23090 pmatcollpw3lem 23108 xkoval 23913 xkopt 23981 xpstopnlem1 24135 submtmd 24430 blfvalps 24709 ishtpy 25300 isphtpy 25309 pcofval 25338 rrxip 25718 q1pval 26480 r1pval 26483 taylfval 26693 istrkgl 28927 tgplnfn 29260 plngval 29262 isplng 29263 midf 29288 ismidb 29290 angmgmval 29401 ttgval 29459 wwlksnon 30447 wspthsnon 30448 clwwlknonmpo 30687 grpodivfval 31143 dipfval 31311 rlocval 33868 idlsrgval 34083 splyval 34239 submatres 34486 lmatval 34493 lmatcl 34496 qqhval 34652 sxval 34871 sitmval 35029 cndprobval 35113 mclsval 36416 csbfinxpg 38418 rrnval 38868 ldualset 40289 paddfval 40961 tgrpfset 41908 tgrpset 41909 erngfset 41963 erngset 41964 erngfset-rN 41971 erngset-rN 41972 dvafset 42168 dvaset 42169 dvhfset 42244 dvhset 42245 djaffvalN 42297 djafvalN 42298 djhffval 42560 djhfval 42561 hlhilset 43098 eldiophb 43875 mendval 44288 mnringvald 45318 mnringmulrd 45328 hoidmvval 47694 ovnhoi 47720 hspval 47726 hspmbllem2 47744 hoimbl 47748 rngcvalALTV 49469 rngccoALTV 49475 ringcvalALTV 49493 ringccoALTV 49509 lincop 49627 lines 49951 rrxlines 49953 spheres 49965 invfn 50251 infsubc2 50282 imaidfu2 50334 upfval 50399 dfswapf2 50490 swapfval 50491 1stfpropd 50519 2ndfpropd 50520 fucofvalg 50547 fuco21 50565 precofval3 50613 prcofvalg 50618 setc1ocofval 50736 lanfval 50903 ranfval 50904 |
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