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| Description: Commutative law for conjunction. Theorem *4.3 of [WhiteheadRussell] p. 118. |
| Ref | Expression |
|---|---|
| ancom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm3.27 323 |
. . 3
| |
| 2 | pm3.26 319 |
. . 3
| |
| 3 | 1, 2 | jca 288 |
. 2
|
| 4 | pm3.27 323 |
. . 3
| |
| 5 | pm3.26 319 |
. . 3
| |
| 6 | 4, 5 | jca 288 |
. 2
|
| 7 | 3, 6 | impbi 157 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ancoms 438 ancomsd 439 pm3.22 440 anbi1i 483 an12 486 an23 487 anabs5 495 an42 509 bicom 522 andir 607 anbi1d 619 pm4.71r 638 pm5.32ri 648 pm5.32rd 650 xor 673 xor2 675 biantrurd 729 consensus 769 rnlem 775 3anrot 782 3ancoma 784 exancom 1056 19.29r 1074 19.42 1098 exan 1108 eu1 1394 mooran1 1427 moaneu 1432 moanmo 1433 2eu3 1454 2eu6 1457 2eu7 1458 2eu8 1459 eq2tr 1536 clabel 1585 r19.28av 1758 r19.29r 1760 r19.42v 1767 rabswap 1774 ralcom 1777 rexcom 1778 gencbvex 1841 euxfr2 1929 rmo4 1936 reu8 1939 incom 2211 symdif2 2269 difin0ss 2336 iunid 2607 moabex 2772 eqvinop 2797 dfid3 2842 uniuni 2886 reuxfr2 2909 ordtri4 2990 ordpwsuc 3072 elxp2 3209 cnvco 3306 dmuni 3325 dfima2 3411 imadmrn 3420 imai 3423 asymref 3445 intirr 3447 cnvsn 3455 rnuni 3465 cnvxp 3470 rninxp 3488 cores 3505 rnco 3508 cnvpo 3528 fncnv 3567 fununi 3569 funin 3572 f1cnv 3672 tz6.12-1 3742 fsn 3840 isoini 3906 tfrlem7 3923 ndmoprcom 4053 2ndconst 4103 oaord 4187 pmex 4333 mapval2 4341 mapsnen 4435 map1 4436 xpsnen 4441 xpcomen 4445 pw2en 4452 mapxpen 4501 cp 4732 aceq5lem1 4745 aceq5lem2 4746 aceq5lem3 4747 aceq6b 4752 kmlem3 4777 brdom7disj 4814 brdom6disj 4815 cf0 4922 genpass 5124 1pr 5129 addcompr 5135 mulcompr 5137 reclem2pr 5169 elreal 5262 ltxrt 5507 letri3t 5529 lesub0 5624 addgtge0t 5661 divmul13t 5784 divmul24t 5785 divdivdivt 5787 ioonegt 6407 iccnegt 6408 icounlem 6413 indstr 6462 elfzuzb 6477 elfzuz2t 6487 fzrevt 6512 lenegsqt 6885 cau5 6919 sumex 6981 clm4 7080 sinbndt 7466 cosbndt 7467 infpn2 7510 infxpidmlem9 7561 istps3 7609 tgval3t 7624 tgss3t 7637 clsval2 7682 metxp 7831 issubg 8112 sincosq1sgn 8699 sincosq2sgn 8700 sincosq3sgn 8701 sincosq4sgn 8702 h2hcau 8844 shorth 9163 5oalem2 9595 3oalem2 9603 mdsldmd1 10253 chrelat 10286 cvexchlem 10290 mdsymlem8 10332 sumdmdi 10337 eeeeanv 10431 ntunte 10434 cmpdom 10458 rcfpfillem3 10565 homib 10695 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 df-an 225 |