Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > eqcom | Unicode version |
Description: Commutative law for class equality. Theorem 6.5 of [Quine] p. 41. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
eqcom |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bicom 138 | . . 3 | |
2 | 1 | albii 1399 | . 2 |
3 | dfcleq 2075 | . 2 | |
4 | dfcleq 2075 | . 2 | |
5 | 2, 3, 4 | 3bitr4i 210 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 103 wal 1282 wceq 1284 wcel 1433 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-cleq 2074 |
This theorem is referenced by: eqcoms 2084 eqcomi 2085 eqcomd 2086 eqeq2 2090 eqtr2 2099 eqtr3 2100 abeq1 2188 nesym 2290 pm13.181 2327 necom 2329 gencbvex 2645 gencbval 2647 eqsbc3r 2874 dfss 2987 dfss5 3171 rabrsndc 3460 preqr1g 3558 preqr1 3560 invdisj 3780 opthg2 3994 copsex4g 4002 opcom 4005 opeqsn 4007 opeqpr 4008 reusv3 4210 suc11g 4300 opthprc 4409 elxp3 4412 relop 4504 dmopab3 4566 rncoeq 4623 dfrel4v 4792 dmsnm 4806 iota1 4901 sniota 4914 dffn5im 5240 fvelrnb 5242 dfimafn2 5244 funimass4 5245 fnsnfv 5253 dmfco 5262 fndmdif 5293 fneqeql 5296 rexrn 5325 ralrn 5326 elrnrexdmb 5328 dffo4 5336 ftpg 5368 fconstfvm 5400 rexima 5415 ralima 5416 dff13 5428 f1eqcocnv 5451 eusvobj2 5518 f1ocnvfv3 5521 oprabid 5557 eloprabga 5611 ovelimab 5671 dfoprab3 5837 f1o2ndf1 5869 cnvoprab 5875 brtpos2 5889 tpossym 5914 frecsuclem3 6013 nntri3or 6095 erth2 6174 brecop 6219 erovlem 6221 ecopovsym 6225 ecopovsymg 6228 xpcomco 6323 nneneq 6343 supelti 6415 ordpipqqs 6564 addcanprg 6806 ltsrprg 6924 caucvgsrlemcl 6965 caucvgsrlemfv 6967 elreal 6997 ltresr 7007 axcaucvglemcl 7061 axcaucvglemval 7063 addsubeq4 7323 subcan2 7333 negcon1 7360 negcon2 7361 addid0 7477 divmulap2 7764 conjmulap 7817 rerecclap 7818 creur 8036 creui 8037 nndiv 8079 elznn0 8366 zltnle 8397 uzm1 8649 divfnzn 8706 zq 8711 icoshftf1o 9013 iccf1o 9026 fzen 9062 fzneuz 9118 4fvwrd4 9150 qltnle 9255 flqeqceilz 9320 modq0 9331 modqmuladdnn0 9370 addmodlteq 9400 nn0ennn 9425 cjreb 9753 caucvgrelemrec 9865 minmax 10112 dvdsval2 10198 dvdsabseq 10247 dvdsflip 10251 odd2np1 10272 oddm1even 10274 sqoddm1div8z 10286 m1exp1 10301 divalgb 10325 modremain 10329 zeqzmulgcd 10362 dfgcd2 10403 divgcdcoprm0 10483 prm2orodd 10508 bj-peano4 10750 |
Copyright terms: Public domain | W3C validator |