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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 7497 | 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 2146 ∈ cmpo 7425 |
| 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-ext 2738 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-oprab 7427 df-mpo 7428 |
| This theorem is used by: mpoeq123i 7499 mptmpoopabbrd 8087 el2mpocsbcl 8089 bropopvvv 8094 bropfvvvv 8096 prdsval 17533 imasval 17590 imasvscaval 17617 homffval 17771 homfeq 17775 comfffval 17779 comffval 17780 comfffval2 17782 comffval2 17783 comfeq 17787 oppcval 17794 monfval 17814 sectffval 17832 invffval 17840 isofn 17857 cofuval 17964 natfval 18031 fucval 18043 fucco 18047 coafval 18146 setcval 18159 setcco 18165 catcval 18182 catcco 18187 estrcval 18205 estrcco 18211 xpcval 18258 1stfval 18272 2ndfval 18275 prfval 18280 evlfval 18298 evlf2 18299 curfval 18304 hofval 18333 hof2fval 18336 plusffval 18729 efmnd 18954 grpsubfval 19075 grpsubfvalALT 19076 grpsubpropd 19136 mulgfval 19160 mulgfvalALT 19161 mulgpropd 19207 lsmfval 19733 pj1fval 19789 efgtf 19817 prdsmgp 20252 dvrfval 20510 funcrngcsetcALT 20770 scaffval 21031 ipffval 21828 phssip 21838 frlmip 21958 psrval 22095 mamufval 22579 mvmulfval 22729 marrepfval 22747 marepvfval 22752 submafval 22766 submaval 22768 madufval 22824 minmar1fval 22833 mat2pmatfval 22910 cpm2mfval 22936 decpmatval0 22951 decpmatval 22952 pmatcollpw3lem 22970 xkoval 23774 xkopt 23842 xpstopnlem1 23996 submtmd 24291 blfvalps 24570 ishtpy 25161 isphtpy 25170 pcofval 25199 rrxip 25579 q1pval 26342 r1pval 26345 taylfval 26552 istrkgl 28757 tgplnfn 29087 plngval 29089 isplng 29090 midf 29115 ismidb 29117 ttgval 29254 wwlksnon 30230 wspthsnon 30231 clwwlknonmpo 30470 grpodivfval 30916 dipfval 31084 rlocval 33603 idlsrgval 33817 splyval 33973 submatres 34220 lmatval 34227 lmatcl 34230 qqhval 34386 sxval 34604 sitmval 34763 cndprobval 34847 mclsval 36068 csbfinxpg 38067 rrnval 38511 ldualset 39932 paddfval 40604 tgrpfset 41551 tgrpset 41552 erngfset 41606 erngset 41607 erngfset-rN 41614 erngset-rN 41615 dvafset 41811 dvaset 41812 dvhfset 41887 dvhset 41888 djaffvalN 41940 djafvalN 41941 djhffval 42203 djhfval 42204 hlhilset 42741 eldiophb 43521 mendval 43939 mnringvald 44970 mnringmulrd 44980 hoidmvval 47324 ovnhoi 47350 hspval 47356 hspmbllem2 47374 hoimbl 47378 rngcvalALTV 49063 rngccoALTV 49069 ringcvalALTV 49087 ringccoALTV 49103 lincop 49221 lines 49544 rrxlines 49546 spheres 49559 invfn 49841 infsubc2 49872 imaidfu2 49922 upfval 49987 dfswapf2 50072 swapfval 50073 1stfpropd 50101 2ndfpropd 50102 fucofvalg 50129 fuco21 50147 precofval3 50182 prcofvalg 50187 setc1ocofval 50305 lanfval 50424 ranfval 50425 |
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