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| Description: A chained inference from transitive law for logical equivalence. |
| Ref | Expression |
|---|---|
| 3bitr.1 |
|
| 3bitr.2 |
|
| 3bitr.3 |
|
| Ref | Expression |
|---|---|
| 3bitr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3bitr.1 |
. 2
| |
| 2 | 3bitr.2 |
. . 3
| |
| 3 | 3bitr.3 |
. . 3
| |
| 4 | 2, 3 | bitr 151 |
. 2
|
| 5 | 1, 4 | bitr 151 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: orbi1i 215 anbi1i 368 bibi2i 460 bibi1i 461 pm5.32 488 biass 511 rnlem 579 an6 638 19.43 767 excom13 776 19.12vv 960 3exdistr 970 4exdistr 971 ee4anv 982 2eu4 1070 r19.29 1295 reu2 1338 gencbvex 1372 sbralie 1439 elrabsf 1456 dfss2 1497 ss2rab 1553 symdif2 1690 dfnul2 1709 abn0 1715 disj 1733 disj4 1737 inssdif0 1754 eltp 1834 prsspw 1858 ssextss 1864 exss 1881 eqvinop 1901 uni0b 1939 unissb 1941 euuni 1954 ssint 1980 iunconst 2000 dfiun2 2014 dfiin2 2015 iunss 2017 iunrab 2022 ssiin 2024 iunn0 2029 iunxun 2035 dftr5 2044 dfwe2 2187 wereu 2197 ordtri1 2231 ordtri3 2234 onpwsuc 2315 limsuclem 2360 onzsl 2367 dfom2 2374 brinxp 2466 cbvop 2473 cnvco 2520 cnvuni 2521 dmuni 2538 dmopab2 2541 dmcosseq 2572 opelres 2579 dfima2 2604 elimasn 2617 intirr 2628 cnvsn 2636 elxp4 2640 elxp5 2641 rnuni 2646 imaiun 2650 coi1 2665 dmco2 2673 dffun2 2674 fcoi1 2765 fcoi2 2766 f1cnv 2782 f1o5 2808 f1oco 2816 fv2 2828 fnressn 2897 f1fv 2916 tz7.48lem 2993 tz7.49c 2998 elrnoprab 3054 1st2val 3097 oaord 3149 nnmord 3189 snec 3232 th3qlem1 3250 map0 3268 mapsnen 3334 xpsnen 3339 xpassen 3344 pw2en 3348 dom0 3367 fiint 3445 tz9.12lem3 3505 ranksn 3532 cp 3547 aceq5lem1 3558 aceq5lem2 3559 aceq5lem5 3562 kmlem3 3582 kmlem11 3590 kmlem12 3591 kmlem14 3593 kmlem15 3594 aceqkm 3596 cf0 3705 elni 3798 ltpiord 3809 genpn0 3900 genpass 3906 distrlem1pr 3921 psslinpr 3929 suplem1pr 3955 suplem2pr 3956 mappsrpr 4012 opelreal 4043 elreal 4044 neg11 4164 ltsubadd 4316 ltdiv23i 4412 halfpos 4421 elnn0 4536 elnn0z 4574 elznn0nn 4575 nnwos 4610 cjre 4811 negre 4825 abs00 4839 ruclem1 4885 ruclem3 4887 infxpidmlem8 4940 infxpidmlem9 4941 bcs 5101 hlimcaui 5141 choc0 5291 shlesb1 5360 chnle 5406 h1deot 5454 cmbr2 5505 pjss2 5571 pjnel 5665 large 5700 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 |
| This theorem depends on definitions: df-bi 128 |