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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 4892 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ∩ 𝐴 = ∩ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∩ cint 4889 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-ral 3052 df-rex 3062 df-int 4890 |
| This theorem is referenced by: elintrab 4902 ssintrab 4913 intmin2 4917 intsng 4925 intexrab 5288 intabs 5290 op1stb 5424 dfiin3g 5924 op2ndb 6191 ordintdif 6374 knatar 7312 uniordint 7755 oawordeulem 8489 oeeulem 8537 naddov3 8616 iinfi 9330 dfttrcl2 9645 tcsni 9662 rankval2 9742 rankval3b 9750 cf0 10173 cfval2 10182 cofsmo 10191 isf34lem4 10299 isf34lem7 10301 sstskm 10765 dfnn3 12188 trclun 14976 cycsubg 19183 efgval2 19699 00lsp 20976 alexsublem 24009 noextendlt 27633 nosepne 27644 nosepdm 27648 nosupbnd2lem1 27679 noinfbnd2lem1 27694 noetasuplem4 27700 bday0 27803 intimafv 32784 dynkin 34311 rankval2b 35242 tz9.1regs 35278 imaiinfv 43125 elrfi 43126 onuniintrab 43654 naddov4 43811 naddwordnexlem4 43829 harval3 43965 relintab 44010 dfid7 44039 clcnvlem 44050 dfrtrcl5 44056 dfrcl2 44101 aiotajust 47532 dfaiota2 47534 ipolub0 49467 |
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