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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 7493 | 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 7421 |
| 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 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-oprab 7423 df-mpo 7424 |
| This theorem is used by: mpoeq123i 7495 mptmpoopabbrd 8084 el2mpocsbcl 8086 bropopvvv 8091 bropfvvvv 8093 prdsval 17530 imasval 17587 imasvscaval 17614 homffval 17768 homfeq 17772 comfffval 17776 comffval 17777 comfffval2 17779 comffval2 17780 comfeq 17784 oppcval 17791 monfval 17811 sectffval 17829 invffval 17837 isofn 17854 cofuval 17961 natfval 18028 fucval 18040 fucco 18044 coafval 18143 setcval 18156 setcco 18162 catcval 18179 catcco 18184 estrcval 18202 estrcco 18208 xpcval 18255 1stfval 18269 2ndfval 18272 prfval 18277 evlfval 18295 evlf2 18296 curfval 18301 hofval 18330 hof2fval 18333 plusffval 18726 efmnd 18966 grpsubfval 19094 grpsubfvalALT 19095 grpsubpropd 19155 mulgfval 19179 mulgfvalALT 19180 mulgpropd 19226 lsmfval 19752 pj1fval 19808 efgtf 19836 prdsmgp 20271 dvrfval 20530 funcrngcsetcALT 20790 scaffval 21051 ipffval 21848 phssip 21858 frlmip 21978 psrval 22115 mamufval 22599 mvmulfval 22749 marrepfval 22767 marepvfval 22772 submafval 22786 submaval 22788 madufval 22844 minmar1fval 22853 mat2pmatfval 22930 cpm2mfval 22956 decpmatval0 22971 decpmatval 22972 pmatcollpw3lem 22990 xkoval 23795 xkopt 23863 xpstopnlem1 24017 submtmd 24312 blfvalps 24591 ishtpy 25182 isphtpy 25191 pcofval 25220 rrxip 25600 q1pval 26363 r1pval 26366 taylfval 26573 istrkgl 28778 tgplnfn 29108 plngval 29110 isplng 29111 midf 29136 ismidb 29138 ttgval 29279 wwlksnon 30267 wspthsnon 30268 clwwlknonmpo 30507 grpodivfval 30957 dipfval 31125 rlocval 33643 idlsrgval 33857 splyval 34013 submatres 34260 lmatval 34267 lmatcl 34270 qqhval 34426 sxval 34645 sitmval 34804 cndprobval 34888 mclsval 36092 csbfinxpg 38091 rrnval 38536 ldualset 39957 paddfval 40629 tgrpfset 41576 tgrpset 41577 erngfset 41631 erngset 41632 erngfset-rN 41639 erngset-rN 41640 dvafset 41836 dvaset 41837 dvhfset 41912 dvhset 41913 djaffvalN 41965 djafvalN 41966 djhffval 42228 djhfval 42229 hlhilset 42766 eldiophb 43546 mendval 43964 mnringvald 44995 mnringmulrd 45005 hoidmvval 47349 ovnhoi 47375 hspval 47381 hspmbllem2 47399 hoimbl 47403 rngcvalALTV 49087 rngccoALTV 49093 ringcvalALTV 49111 ringccoALTV 49127 lincop 49245 lines 49568 rrxlines 49570 spheres 49583 invfn 49865 infsubc2 49896 imaidfu2 49946 upfval 50011 dfswapf2 50096 swapfval 50097 1stfpropd 50125 2ndfpropd 50126 fucofvalg 50153 fuco21 50171 precofval3 50206 prcofvalg 50211 setc1ocofval 50329 lanfval 50448 ranfval 50449 |
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