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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 4413 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ ∩ 𝐴 = ∩ 𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1475 ∩ cint 4410 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-int 4411 |
This theorem is referenced by: elintrab 4423 ssintrab 4435 intmin2 4439 intsng 4447 intexrab 4750 intabs 4752 op1stb 4867 dfiin3g 5300 op2ndb 5537 ordintdif 5691 knatar 6507 bm2.5ii 6898 oawordeulem 7521 oeeulem 7568 iinfi 8206 tcsni 8502 rankval2 8564 rankval3b 8572 cf0 8956 cfval2 8965 cofsmo 8974 isf34lem4 9082 isf34lem7 9084 sstskm 9543 dfnn3 10911 trclun 13603 cycsubg 17445 efgval2 17960 00lsp 18802 alexsublem 21658 dynkin 29557 imaiinfv 36274 elrfi 36275 relintab 36908 dfid7 36938 clcnvlem 36949 dfrtrcl5 36955 dfrcl2 36985 |
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