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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 4916 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ∩ 𝐴 = ∩ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 ∩ cint 4913 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-ral 3080 df-rex 3090 df-int 4914 |
| This theorem is referenced by: elintrab 4926 ssintrab 4937 intmin2 4941 intsng 4949 intexrab 5319 intabs 5321 op1stb 5455 dfiin3g 5961 op2ndb 6230 ordintdif 6414 knatar 7357 uniordint 7801 oawordeulem 8540 oeeulem 8588 naddov3 8668 iinfi 9378 dfttrcl2 9694 tcsni 9711 rankval2 9791 rankval3b 9799 cf0 10235 cfval2 10245 cofsmo 10254 isf34lem4 10362 isf34lem7 10364 sstskm 10828 dfnn3 12248 trclun 15053 cycsubg 19280 efgval2 19795 00lsp 21083 alexsublem 24182 noextendlt 27811 nosepne 27822 nosepdm 27826 nosupbnd2lem1 27857 noinfbnd2lem1 27872 noetasuplem4 27878 bday0 27982 intimafv 33034 dynkin 34535 rankval2b 35470 tz9.1regs 35525 imaiinfv 43404 elrfi 43405 onuniintrab 43933 naddov4 44090 naddwordnexlem4 44108 harval3 44244 relintab 44289 dfid7 44318 clcnvlem 44329 dfrtrcl5 44335 dfrcl2 44380 aiotajust 47798 dfaiota2 47800 ipolub0 49747 |
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