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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 7525 | 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 1570 ∈ wcel 2147 ∈ cmpo 7453 |
| 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-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-oprab 7455 df-mpo 7456 |
| This theorem is used by: mpoeq123i 7527 mptmpoopabbrd 8129 el2mpocsbcl 8131 bropopvvv 8136 bropfvvvv 8138 prdsval 17676 imasval 17733 imasvscaval 17760 homffval 17914 homfeq 17918 comfffval 17922 comffval 17923 comfffval2 17925 comffval2 17926 comfeq 17930 oppcval 17937 monfval 17957 sectffval 17975 invffval 17983 isofn 18000 cofuval 18107 natfval 18174 fucval 18186 fucco 18190 coafval 18289 setcval 18302 setcco 18308 catcval 18325 catcco 18330 estrcval 18348 estrcco 18354 xpcval 18401 1stfval 18415 2ndfval 18418 prfval 18423 evlfval 18441 evlf2 18442 curfval 18447 hofval 18476 hof2fval 18479 plusffval 18872 efmnd 19116 grpsubfval 19244 grpsubfvalALT 19245 grpsubpropd 19305 mulgfval 19329 mulgfvalALT 19330 mulgpropd 19376 lsmfval 19903 pj1fval 19959 efgtf 19987 prdsmgp 20422 dvrfval 20683 funcrngcsetcALT 20944 scaffval 21206 ipffval 22009 phssip 22019 frlmip 22139 psrval 22278 mamufval 22762 mvmulfval 22912 marrepfval 22930 marepvfval 22935 submafval 22949 submaval 22951 madufval 23007 minmar1fval 23016 mat2pmatfval 23096 cpm2mfval 23122 decpmatval0 23137 decpmatval 23138 pmatcollpw3lem 23156 xkoval 23961 xkopt 24029 xpstopnlem1 24183 submtmd 24478 blfvalps 24757 ishtpy 25348 isphtpy 25357 pcofval 25386 rrxip 25766 q1pval 26528 r1pval 26531 taylfval 26743 istrkgl 28977 tgplnfn 29310 plngval 29312 isplng 29313 midf 29338 ismidb 29340 angmgmval 29451 ttgval 29509 wwlksnon 30497 wspthsnon 30498 clwwlknonmpo 30737 grpodivfval 31193 dipfval 31361 rlocval 33919 idlsrgval 34139 splyval 34302 submatres 34549 lmatval 34556 lmatcl 34559 qqhval 34715 sxval 34934 sitmval 35092 cndprobval 35176 mclsval 36536 csbfinxpg 38579 rrnval 39027 ldualset 40448 paddfval 41120 tgrpfset 42067 tgrpset 42068 erngfset 42122 erngset 42123 erngfset-rN 42130 erngset-rN 42131 dvafset 42327 dvaset 42328 dvhfset 42403 dvhset 42404 djaffvalN 42456 djafvalN 42457 djhffval 42719 djhfval 42720 hlhilset 43257 eldiophb 44034 mendval 44442 mnringvald 45472 mnringmulrd 45482 hoidmvval 47860 ovnhoi 47886 hspval 47892 hspmbllem2 47910 hoimbl 47914 rngcvalALTV 49635 rngccoALTV 49641 ringcvalALTV 49659 ringccoALTV 49675 lincop 49851 lines 50175 rrxlines 50177 spheres 50189 invfn 50475 infsubc2 50506 imaidfu2 50558 upfval 50623 dfswapf2 50714 swapfval 50715 1stfpropd 50743 2ndfpropd 50744 fucofvalg 50771 fuco21 50789 precofval3 50837 prcofvalg 50842 setc1ocofval 50960 lanfval 51127 ranfval 51128 |
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