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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 4905 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ∩ 𝐴 = ∩ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∩ cint 4902 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-ral 3052 df-rex 3061 df-int 4903 |
| This theorem is referenced by: elintrab 4915 ssintrab 4926 intmin2 4930 intsng 4938 intexrab 5292 intabs 5294 op1stb 5419 dfiin3g 5918 op2ndb 6185 ordintdif 6368 knatar 7303 uniordint 7746 oawordeulem 8481 oeeulem 8529 naddov3 8608 iinfi 9320 dfttrcl2 9633 tcsni 9650 rankval2 9730 rankval3b 9738 cf0 10161 cfval2 10170 cofsmo 10179 isf34lem4 10287 isf34lem7 10289 sstskm 10753 dfnn3 12159 trclun 14937 cycsubg 19137 efgval2 19653 00lsp 20932 alexsublem 23988 noextendlt 27637 nosepne 27648 nosepdm 27652 nosupbnd2lem1 27683 noinfbnd2lem1 27698 noetasuplem4 27704 bday0 27807 intimafv 32790 dynkin 34324 rankval2b 35255 tz9.1regs 35290 imaiinfv 42931 elrfi 42932 onuniintrab 43464 naddov4 43621 naddwordnexlem4 43639 harval3 43775 relintab 43820 dfid7 43849 clcnvlem 43860 dfrtrcl5 43866 dfrcl2 43911 aiotajust 47326 dfaiota2 47328 ipolub0 49233 |
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