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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 1559 ∩ cint 4904 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-9 2151 ax-ext 2733 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-ral 3076 df-rex 3086 df-int 4905 |
| This theorem is referenced by: elintrab 4917 ssintrab 4928 intmin2 4932 intsng 4940 intexrab 5302 intabs 5304 op1stb 5438 dfiin3g 5943 op2ndb 6210 ordintdif 6393 knatar 7337 uniordint 7780 oawordeulem 8518 oeeulem 8566 naddov3 8646 iinfi 9360 dfttrcl2 9676 tcsni 9693 rankval2 9773 rankval3b 9781 cf0 10204 cfval2 10214 cofsmo 10223 isf34lem4 10331 isf34lem7 10333 sstskm 10797 dfnn3 12221 trclun 15024 cycsubg 19232 efgval2 19747 00lsp 21028 alexsublem 24084 noextendlt 27710 nosepne 27721 nosepdm 27725 nosupbnd2lem1 27756 noinfbnd2lem1 27771 noetasuplem4 27777 bday0 27881 intimafv 32863 dynkin 34425 rankval2b 35359 tz9.1regs 35394 imaiinfv 43238 elrfi 43239 onuniintrab 43767 naddov4 43924 naddwordnexlem4 43942 harval3 44078 relintab 44123 dfid7 44152 clcnvlem 44163 dfrtrcl5 44169 dfrcl2 44214 aiotajust 47642 dfaiota2 47644 ipolub0 49577 |
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