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| Description: An inference from transitive law for logical equivalence. |
| Ref | Expression |
|---|---|
| bitr2i.1 |
|
| bitr2i.2 |
|
| Ref | Expression |
|---|---|
| bitr2i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bitr2i.1 |
. . 3
| |
| 2 | bitr2i.2 |
. . 3
| |
| 3 | 1, 2 | bitri 190 |
. 2
|
| 4 | 3 | bicomi 189 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3bitrri 195 3bitr2ri 197 3bitr4ri 201 pm2.85 639 nan 753 pm4.83 812 pm5.7 818 nic-justim 1232 nic-justneg 1233 19.12vv 1681 19.12vvOLD 1682 2exsb 1742 2eu4 1856 cvjust 1879 cla42gv 2367 cla43gv 2369 reuind 2450 sbcralt 2527 sbcralgf 2529 ss2rab 2683 ddif 2737 unass 2759 undi 2840 difabOLD 2864 disj 2914 ssindif0 2927 sbcsngOLD 3087 pwsnALT 3173 iunssOLD 3292 ssiunOLD 3294 iunn0OLD 3316 iinrab2 3319 brab1 3384 unopab 3410 truni 3425 axrep5 3433 eqvinop 3536 pwssun 3578 pwexb 3852 suceloni 3894 elvvv 4054 dmun 4163 reldm0 4176 issOLD 4255 dfima2OLD 4266 imadmrn 4277 asymref2OLD 4311 intirrOLD 4313 ssrnres 4354 dmsnn0 4362 coundi 4396 coundir 4398 cnvpo 4427 fun11 4480 fununi 4481 funcnvuni 4482 tz6.12-2 4696 dffv2 4734 eufnfv 4771 fsn 4807 fconstfv 4825 imaiun 4840 funiunfv 4842 eloprabg 4936 funoprabg 4939 fparlem1 5081 fparlem2 5082 fsplit 5086 abianfp 5171 dfer2 5319 map1 5489 xpsnen 5494 mapxpen 5589 pwen 5597 ordtypelem6 5689 zfregcl 5697 zfregs 5754 rankbnd 5814 rankbnd2 5815 rankxplim2 5824 rankxplim3 5825 aceq3lem 5894 aceq3 5895 aceq5lem2 5898 aceq5lem5 5901 aceq5 5902 ac9s 5926 kmlem14 5940 kmlem15 5941 kmlem16 5942 brdom3 5963 suplem2pr 6314 supsrlem3 6379 lttri4OLD 6685 xrrebnd 6743 lenegi 6784 lesub0iOLD 6793 nnunb 7279 uzwo3lem1 7429 elioo3g 7547 elfz2 7642 fzsuc 7678 cjrebi 8031 cau3iri 8167 clmnnsi 8344 tgval2 8887 0top 8905 subbas 8914 islp2 9023 lpbl 9157 lmbrnns 9220 bcthlem14 9290 bcthlem33 9309 gapm 9462 pilem3 10022 sinhalfpilem 10028 abfi 10215 filrn 10293 shlesb1i 10992 pjss2i 11260 pjneli 11303 lnopconi 11600 lnfnconi 11627 cnlnssadj 11650 pjin2i 11766 cvnbtwn2 11859 cvnbtwn4 11861 mdsl1i 11893 mdsl2i 11894 hatomistici 11934 cdj3lem3b 12012 bnj35 12404 bnj63 12432 bnj112 12457 bnj142 12474 bnj168 12496 bnj153 13247 bnj578 13291 bnj605 13292 bnj607 13304 bnj986 13360 truniOLD 13792 3or6 13804 19.12b 13868 soseq 13955 axfelem11 14041 negcmpprcal1 14275 albineal 14323 cnvresima 15359 trer 15361 ioodisj 15364 inficlALT 15372 ordtypelem6OLD 15380 uncomp 15433 compfipin0 15436 alexsublem2 15438 alexsublem3 15439 alexsub 15441 isfne3 15482 locfincomp 15514 neibastop2lem3 15521 neibastop2lem4 15522 ist1-3 15543 opnfbas 15557 filssufillem 15570 ufileu 15573 filufint 15574 filcon 15580 fcluscomp 15621 filnetlem1 15640 rabeq0 15666 oprabrexex2 15709 pi1bvalqs 16091 iotasbc2 16384 |
| 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 |