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| Mirrors > Home > MPE Home > Th. List > inteqi | Structured version Visualization version GIF version | ||
| Description: Equality inference for class intersection. (Contributed by NM, 2-Sep-2003.) |
| Ref | Expression |
|---|---|
| inteqi.1 | ⊢ 𝐴 = 𝐵 |
| Ref | Expression |
|---|---|
| inteqi | ⊢ ∩ 𝐴 = ∩ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | inteqi.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | inteq 4913 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ∩ 𝐴 = ∩ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∩ cint 4910 |
| 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-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-ral 3081 df-rex 3091 df-int 4911 |
| This theorem is used by: elintrab 4923 ssintrab 4934 intmin2 4938 intsng 4946 intexrab 5312 intabs 5314 op1stb 5444 dfiin3g 5958 op2ndb 6241 ordintdif 6432 knatar 7390 uniordint 7839 oawordeulem 8590 oeeulem 8638 naddov3 8718 iinfi 9436 dfttrcl2 9752 tcsni 9769 rankval2 9854 rankval2b 9862 rankval3b 9863 cf0 10355 cfval2 10365 cofsmo 10374 isf34lem4 10482 isf34lem7 10484 sstskm 10954 dfnn3 12376 trclun 15196 cycsubg 19452 efgval2 19968 00lsp 21286 alexsublem 24393 noextendlt 28056 nosepne 28067 nosepdm 28071 nosupbnd2lem1 28102 noinfbnd2lem1 28117 noetasuplem4 28123 bday0 28227 intimafv 33375 dynkin 34870 tz9.1regs 35902 imaiinfv 43897 elrfi 43898 onuniintrab 44420 naddov4 44577 naddwordnexlem4 44595 harval3 44731 relintab 44776 dfid7 44804 clcnvlem 44815 dfrtrcl5 44821 dfrcl2 44866 aiotajust 48359 dfaiota2 48361 ipolub0 50311 |
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