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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 4893 | . 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 4890 |
| 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 4891 |
| This theorem is referenced by: elintrab 4903 ssintrab 4914 intmin2 4918 intsng 4926 intexrab 5284 intabs 5286 op1stb 5419 dfiin3g 5918 op2ndb 6185 ordintdif 6368 knatar 7305 uniordint 7748 oawordeulem 8482 oeeulem 8530 naddov3 8609 iinfi 9323 dfttrcl2 9636 tcsni 9653 rankval2 9733 rankval3b 9741 cf0 10164 cfval2 10173 cofsmo 10182 isf34lem4 10290 isf34lem7 10292 sstskm 10756 dfnn3 12179 trclun 14967 cycsubg 19174 efgval2 19690 00lsp 20967 alexsublem 24019 noextendlt 27647 nosepne 27658 nosepdm 27662 nosupbnd2lem1 27693 noinfbnd2lem1 27708 noetasuplem4 27714 bday0 27817 intimafv 32799 dynkin 34327 rankval2b 35258 tz9.1regs 35294 imaiinfv 43139 elrfi 43140 onuniintrab 43672 naddov4 43829 naddwordnexlem4 43847 harval3 43983 relintab 44028 dfid7 44057 clcnvlem 44068 dfrtrcl5 44074 dfrcl2 44119 aiotajust 47544 dfaiota2 47546 ipolub0 49479 |
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