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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 4887 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ∩ 𝐴 = ∩ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∩ cint 4884 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-9 2129 ax-ext 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-ral 3055 df-rex 3065 df-int 4885 |
| This theorem is referenced by: elintrab 4897 ssintrab 4908 intmin2 4912 intsng 4920 intexrab 5282 intabs 5284 op1stb 5418 dfiin3g 5918 op2ndb 6185 ordintdif 6368 knatar 7308 uniordint 7751 oawordeulem 8486 oeeulem 8534 naddov3 8613 iinfi 9327 dfttrcl2 9643 tcsni 9660 rankval2 9740 rankval3b 9748 cf0 10171 cfval2 10180 cofsmo 10189 isf34lem4 10297 isf34lem7 10299 sstskm 10763 dfnn3 12186 trclun 14974 cycsubg 19181 efgval2 19697 00lsp 20978 alexsublem 24034 noextendlt 27658 nosepne 27669 nosepdm 27673 nosupbnd2lem1 27704 noinfbnd2lem1 27719 noetasuplem4 27725 bday0 27828 intimafv 32810 dynkin 34358 rankval2b 35287 tz9.1regs 35322 imaiinfv 43149 elrfi 43150 onuniintrab 43678 naddov4 43835 naddwordnexlem4 43853 harval3 43989 relintab 44034 dfid7 44063 clcnvlem 44074 dfrtrcl5 44080 dfrcl2 44125 aiotajust 47554 dfaiota2 47556 ipolub0 49489 |
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