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| Description: Inference from commutative law for logical equivalence. |
| Ref | Expression |
|---|---|
| bicomi.1 |
|
| Ref | Expression |
|---|---|
| bicomi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bicomi.1 |
. . 3
| |
| 2 | 1 | biimpri 169 |
. 2
|
| 3 | 1 | biimpi 168 |
. 2
|
| 4 | 2, 3 | impbii 174 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: bitr2i 191 bitr3i 192 bitr4i 193 con2bii 238 pm4.64 243 pm4.63 245 pm4.61 258 pm4.25 264 ianor 329 pm4.53 334 pm4.55 336 pm4.56 337 pm4.57 340 pm4.87 383 pm4.77 468 pm4.24 479 syl5bbr 593 syl5rbbr 594 syl6bbr 597 syl6rbbr 598 3imtr4g 612 pm4.76 660 pm5.17 731 xor3 737 3ianor 870 pm3.2an3 1049 syl3anbr 1141 nic-dfim 1235 nic-dfneg 1236 ee3bir 1274 sbid 1549 cleljust 1713 sb10f 1733 nne 2021 necon3bbii 2031 necon2abii 2063 necon2bbii 2064 alexeq 2390 clel2 2396 clel4 2399 sbc8g 2477 difeqriOLD 2728 un0 2896 in0 2897 ss0b 2901 brab1OLD 3385 opth2 3546 uniuni 3806 euexeqOLD 3826 euexaleq 3827 onminex 3888 cotr 4302 dfoprab5sf 5058 oarec 5244 domtriord 5546 isfinite2 5639 sbc3org 5827 aceqkm 5943 brdom7disj 5966 brdom6disj 5967 iscard3 6036 cardnum 6037 cardinfima 6039 alephiso 6040 ltxr 6664 ssga 9455 hausfillim 10303 lejdii 11094 nmcopexlem1 11588 nmcfnexlem1 11617 mdslle1i 11889 mdslle2i 11890 mdslj1i 11891 mdslj2i 11892 bnj208 12051 bnj184 12054 bnj445 12294 bnj456 12306 bnj467 12318 bnj490 12342 bnj1 12366 bnj3 12368 bnj24 12388 bnj33OLD 12402 bnj38 12409 bnj43 12414 bnj51 12426 bnj112 12457 bnj115 12459 bnj156 12482 bnj205 12498 bnj612 12565 bnj613 12566 bnj856 12789 bnj858 12791 bnj861 12794 bnj947 12846 bnj971 12860 bnj979 12863 bnj1048 12888 bnj1392 13106 bnj1393 13107 bnj1473 13148 bnj119 13229 bnj121 13231 bnj124 13234 bnj130 13240 bnj153 13247 bnj207 13248 bnj606 13293 bnj581 13294 bnj607 13304 bnj611 13307 bnj965 13346 bnj1000 13364 bnj1040 13388 bnj1049 13394 bnj1070 13401 bnj1134 13427 3an6 13803 fundmpss 13836 TFIid 14115 TNid 14118 TTBid 14120 FFBid 14123 nabi1i 14141 nabi2i 14142 negcmpprcal2 14276 vutr 14285 boxeq 14314 notev 14316 notal 14317 albineal 14323 ficli 14353 restidsing 14391 imfstnrelc 14396 omslim 14420 rngop 14484 fopab2g 14485 defse3 14614 qusp 14908 eltpt 14909 rcfpfillem3 14930 limfillem1 14938 cntrsetlem 14999 algi 15074 dualcat2lem 15129 dualded2lem 15130 dualded 15132 settrcon 15247 tarval2 15249 vtarsuelt 15272 dmsdtriordOLD 15360 trer 15361 alexsublem3 15439 locfindsc 15515 cnpfillim 15589 inixp 15722 eropreu 15733 firnfi3 15743 geomcau 15849 lmclim2 15850 heiborlem24 15978 an43 16235 pm10.252 16307 pm10.253 16308 pm10.42 16311 2nexaln 16327 aaanv 16345 pm13.195 16377 2sbc6g 16379 2sbc5g 16380 cbvralcsf 16411 cbvrexcsf 16412 cbvreucsf 16413 cbvrabcsf 16414 en3lpVD 16669 3orbi123VD 16674 sbc3orgVD 16675 undif3VD 16706 islvec 17188 elpadd0 17270 osumcllem11 17374 pexmidlem8 17385 |
| 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 164 |