| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 4911 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ∩ 𝐴 = ∩ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1563 ∩ cint 4908 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-ral 3080 df-rex 3090 df-int 4909 |
| This theorem is referenced by: elintrab 4921 ssintrab 4932 intmin2 4936 intsng 4944 intexrab 5308 intabs 5310 op1stb 5444 dfiin3g 5950 op2ndb 6218 ordintdif 6401 knatar 7345 uniordint 7788 oawordeulem 8527 oeeulem 8575 naddov3 8655 iinfi 9365 dfttrcl2 9681 tcsni 9698 rankval2 9778 rankval3b 9786 cf0 10222 cfval2 10232 cofsmo 10241 isf34lem4 10349 isf34lem7 10351 sstskm 10815 dfnn3 12238 trclun 15041 cycsubg 19270 efgval2 19785 00lsp 21071 alexsublem 24162 noextendlt 27791 nosepne 27802 nosepdm 27806 nosupbnd2lem1 27837 noinfbnd2lem1 27852 noetasuplem4 27858 bday0 27962 intimafv 32968 dynkin 34474 rankval2b 35407 tz9.1regs 35442 imaiinfv 43286 elrfi 43287 onuniintrab 43815 naddov4 43972 naddwordnexlem4 43990 harval3 44126 relintab 44171 dfid7 44200 clcnvlem 44211 dfrtrcl5 44217 dfrcl2 44262 aiotajust 47676 dfaiota2 47678 ipolub0 49621 |
| Copyright terms: Public domain | W3C validator |