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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 7487 | 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 7415 |
| 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 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-oprab 7417 df-mpo 7418 |
| This theorem is used by: mpoeq123i 7489 mptmpoopabbrd 8080 el2mpocsbcl 8082 bropopvvv 8087 bropfvvvv 8089 prdsval 17540 imasval 17597 imasvscaval 17624 homffval 17778 homfeq 17782 comfffval 17786 comffval 17787 comfffval2 17789 comffval2 17790 comfeq 17794 oppcval 17801 monfval 17821 sectffval 17839 invffval 17847 isofn 17864 cofuval 17971 natfval 18038 fucval 18050 fucco 18054 coafval 18153 setcval 18166 setcco 18172 catcval 18189 catcco 18194 estrcval 18212 estrcco 18218 xpcval 18265 1stfval 18279 2ndfval 18282 prfval 18287 evlfval 18305 evlf2 18306 curfval 18311 hofval 18340 hof2fval 18343 plusffval 18736 efmnd 18979 grpsubfval 19107 grpsubfvalALT 19108 grpsubpropd 19168 mulgfval 19192 mulgfvalALT 19193 mulgpropd 19239 lsmfval 19765 pj1fval 19821 efgtf 19849 prdsmgp 20284 dvrfval 20543 funcrngcsetcALT 20803 scaffval 21064 ipffval 21861 phssip 21871 frlmip 21991 psrval 22130 mamufval 22614 mvmulfval 22764 marrepfval 22782 marepvfval 22787 submafval 22801 submaval 22803 madufval 22859 minmar1fval 22868 mat2pmatfval 22948 cpm2mfval 22974 decpmatval0 22989 decpmatval 22990 pmatcollpw3lem 23008 xkoval 23813 xkopt 23881 xpstopnlem1 24035 submtmd 24330 blfvalps 24609 ishtpy 25200 isphtpy 25209 pcofval 25238 rrxip 25618 q1pval 26380 r1pval 26383 taylfval 26595 istrkgl 28799 tgplnfn 29132 plngval 29134 isplng 29135 midf 29160 ismidb 29162 angmgmval 29273 ttgval 29331 wwlksnon 30319 wspthsnon 30320 clwwlknonmpo 30559 grpodivfval 31015 dipfval 31183 rlocval 33699 idlsrgval 33913 splyval 34069 submatres 34316 lmatval 34323 lmatcl 34326 qqhval 34482 sxval 34701 sitmval 34860 cndprobval 34944 mclsval 36142 csbfinxpg 38142 rrnval 38577 ldualset 39998 paddfval 40670 tgrpfset 41617 tgrpset 41618 erngfset 41672 erngset 41673 erngfset-rN 41680 erngset-rN 41681 dvafset 41877 dvaset 41878 dvhfset 41953 dvhset 41954 djaffvalN 42006 djafvalN 42007 djhffval 42269 djhfval 42270 hlhilset 42807 eldiophb 43602 mendval 44020 mnringvald 45051 mnringmulrd 45061 hoidmvval 47405 ovnhoi 47431 hspval 47437 hspmbllem2 47455 hoimbl 47459 rngcvalALTV 49180 rngccoALTV 49186 ringcvalALTV 49204 ringccoALTV 49220 lincop 49338 lines 49661 rrxlines 49663 spheres 49676 invfn 49956 infsubc2 49987 imaidfu2 50037 upfval 50102 dfswapf2 50187 swapfval 50188 1stfpropd 50216 2ndfpropd 50217 fucofvalg 50244 fuco21 50262 precofval3 50297 prcofvalg 50302 setc1ocofval 50420 lanfval 50539 ranfval 50540 |
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