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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 7492 | 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 2145 ∈ cmpo 7420 |
| 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 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-oprab 7422 df-mpo 7423 |
| This theorem is used by: mpoeq123i 7494 mptmpoopabbrd 8092 el2mpocsbcl 8094 bropopvvv 8099 bropfvvvv 8101 prdsval 17619 imasval 17676 imasvscaval 17703 homffval 17857 homfeq 17861 comfffval 17865 comffval 17866 comfffval2 17868 comffval2 17869 comfeq 17873 oppcval 17880 monfval 17900 sectffval 17918 invffval 17926 isofn 17943 cofuval 18050 natfval 18117 fucval 18129 fucco 18133 coafval 18232 setcval 18245 setcco 18251 catcval 18268 catcco 18273 estrcval 18291 estrcco 18297 xpcval 18344 1stfval 18358 2ndfval 18361 prfval 18366 evlfval 18384 evlf2 18385 curfval 18390 hofval 18419 hof2fval 18422 plusffval 18815 efmnd 19059 grpsubfval 19187 grpsubfvalALT 19188 grpsubpropd 19248 mulgfval 19272 mulgfvalALT 19273 mulgpropd 19319 lsmfval 19845 pj1fval 19901 efgtf 19929 prdsmgp 20364 dvrfval 20625 funcrngcsetcALT 20886 scaffval 21148 ipffval 21947 phssip 21957 frlmip 22077 psrval 22216 mamufval 22700 mvmulfval 22850 marrepfval 22868 marepvfval 22873 submafval 22887 submaval 22889 madufval 22945 minmar1fval 22954 mat2pmatfval 23034 cpm2mfval 23060 decpmatval0 23075 decpmatval 23076 pmatcollpw3lem 23094 xkoval 23899 xkopt 23967 xpstopnlem1 24121 submtmd 24416 blfvalps 24695 ishtpy 25286 isphtpy 25295 pcofval 25324 rrxip 25704 q1pval 26466 r1pval 26469 taylfval 26679 istrkgl 28913 tgplnfn 29246 plngval 29248 isplng 29249 midf 29274 ismidb 29276 angmgmval 29387 ttgval 29445 wwlksnon 30433 wspthsnon 30434 clwwlknonmpo 30673 grpodivfval 31129 dipfval 31297 rlocval 33813 idlsrgval 34028 splyval 34184 submatres 34431 lmatval 34438 lmatcl 34441 qqhval 34597 sxval 34816 sitmval 34974 cndprobval 35058 mclsval 36307 csbfinxpg 38291 rrnval 38741 ldualset 40162 paddfval 40834 tgrpfset 41781 tgrpset 41782 erngfset 41836 erngset 41837 erngfset-rN 41844 erngset-rN 41845 dvafset 42041 dvaset 42042 dvhfset 42117 dvhset 42118 djaffvalN 42170 djafvalN 42171 djhffval 42433 djhfval 42434 hlhilset 42971 eldiophb 43747 mendval 44165 mnringvald 45196 mnringmulrd 45206 hoidmvval 47556 ovnhoi 47582 hspval 47588 hspmbllem2 47606 hoimbl 47610 rngcvalALTV 49331 rngccoALTV 49337 ringcvalALTV 49355 ringccoALTV 49371 lincop 49489 lines 49812 rrxlines 49814 spheres 49827 invfn 50107 infsubc2 50138 imaidfu2 50188 upfval 50253 dfswapf2 50338 swapfval 50339 1stfpropd 50367 2ndfpropd 50368 fucofvalg 50395 fuco21 50413 precofval3 50448 prcofvalg 50453 setc1ocofval 50571 lanfval 50690 ranfval 50691 |
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