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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 4907 | . 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 4904 |
| 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 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-ral 3053 df-rex 3063 df-int 4905 |
| This theorem is referenced by: elintrab 4917 ssintrab 4928 intmin2 4932 intsng 4940 intexrab 5294 intabs 5296 op1stb 5427 dfiin3g 5926 op2ndb 6193 ordintdif 6376 knatar 7313 uniordint 7756 oawordeulem 8491 oeeulem 8539 naddov3 8618 iinfi 9332 dfttrcl2 9645 tcsni 9662 rankval2 9742 rankval3b 9750 cf0 10173 cfval2 10182 cofsmo 10191 isf34lem4 10299 isf34lem7 10301 sstskm 10765 dfnn3 12171 trclun 14949 cycsubg 19149 efgval2 19665 00lsp 20944 alexsublem 24000 noextendlt 27649 nosepne 27660 nosepdm 27664 nosupbnd2lem1 27695 noinfbnd2lem1 27710 noetasuplem4 27716 bday0 27819 intimafv 32800 dynkin 34344 rankval2b 35274 tz9.1regs 35309 imaiinfv 43044 elrfi 43045 onuniintrab 43577 naddov4 43734 naddwordnexlem4 43752 harval3 43888 relintab 43933 dfid7 43962 clcnvlem 43973 dfrtrcl5 43979 dfrcl2 44024 aiotajust 47438 dfaiota2 47440 ipolub0 49345 |
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