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| Description: A chained inference from transitive law for logical equivalence. This inference is frequently used to apply a definition to both sides of a logical equivalence. |
| Ref | Expression |
|---|---|
| 3bitr4.1 |
|
| 3bitr4.2 |
|
| 3bitr4.3 |
|
| Ref | Expression |
|---|---|
| 3bitr4 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3bitr4.2 |
. 2
| |
| 2 | 3bitr4.1 |
. . 3
| |
| 3 | 3bitr4.3 |
. . 3
| |
| 4 | 2, 3 | bitr4 176 |
. 2
|
| 5 | 1, 4 | bitr 173 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: orcom 246 orbi2i 255 or12 258 orass 260 or23 263 or4 264 pm4.78 354 pm4.79 355 anass 441 an23 487 an4 508 bicom 522 pm4.11 524 con2bi 527 oranabs 584 ordir 599 jcab 600 andi 606 andir 607 pm5.32ri 648 3anrot 782 3orrot 783 3ancoma 784 3anbi123i 824 3orbi123i 825 19.30 1087 19.32 1088 19.31 1089 19.43 1090 19.41 1097 19.42 1098 equsex 1154 cbvex 1168 dfsb3 1228 sbor 1237 sban 1239 sbbi 1241 sb8e 1264 sb6 1269 eeeanv 1326 sbel2x 1347 sbex 1350 sb8eu 1392 eu1 1394 cbvmo 1410 moanim 1429 euan 1430 eqcom 1480 abeq1 1572 clelab 1584 sbabel 1587 ralnex 1656 rexnal 1657 ralbii2 1674 rexbii2 1675 r2al 1679 r3al 1693 r2ex 1694 r19.26 1753 r19.32v 1761 r19.41v 1766 r19.42v 1767 r19.43 1768 ralcom 1777 rexcom 1778 reeanv 1781 reubiia 1784 cbvralf 1799 cbvrexf 1800 cbvrex 1802 cbvreuv 1805 eueq 1919 reu5 1932 reu2 1933 reu3 1934 reu6 1935 rmo4 1936 eqss 2081 dfpss3 2138 uncom 2180 unass 2191 ssequn1 2204 incom 2212 inass 2227 nssinpss 2244 nsspssun 2245 dfss4 2246 dfun2 2247 dfin2 2248 indi 2255 undi 2256 unab 2271 inab 2272 difab 2273 ne0f 2292 rabn0 2297 disj3 2319 ssdif0 2332 difin0ss 2337 inssdif0 2338 ssundif 2349 dfif2 2368 rexpr 2434 snprc 2448 r19.12sn 2449 eluni2 2512 elunirab 2519 uniun 2524 unissb 2533 elintrab 2550 intun 2567 intpr 2568 dfiun2g 2591 iunss 2596 ssiun 2597 ssiin 2604 iunin2 2614 iinun2 2615 iundif2 2616 iunxun 2620 iinuni 2621 iununi 2622 iinpw 2623 dftr2 2688 intexrab 2738 ssext 2770 pweqb 2772 opabid 2817 pwin 2832 pwun 2836 rexxfr 2908 dflim2 3032 unisuc 3053 sucexb 3055 sucelon 3075 onzsl 3124 dflim4 3126 opelxp 3221 rexxp 3226 brinxp2 3238 weinxp 3240 inopab 3275 inxp 3276 dmun 3324 dmuni 3326 dm0rn0 3337 brres 3380 asymref 3446 asymref2 3447 cnvun 3462 cnvin 3463 rnuni 3466 dminss 3469 imainss 3470 cnvxp 3471 rninxp 3489 resco 3507 rnco 3509 coass 3519 cnvpo 3529 cnvso 3530 funcnv 3564 funcnv3 3565 fncnv 3568 fun11 3569 funin 3573 imadif 3581 fint 3657 fin 3658 fores 3688 f1o2 3700 f1o3 3701 f1o4 3703 f1orn 3705 f11o 3719 imaiun 3871 isomin 3906 iinon 3917 dfrdg2 3940 dfoprab2 3998 dfopab2 4120 dfoprab3 4121 foprab2 4126 oarec 4203 erdmrn 4283 mapval2 4342 map0e 4349 elixp2 4356 elixp 4357 mapixp 4369 domen 4386 brsdom 4388 brdom2 4395 xpcomen 4446 xpassen 4448 pw2en 4453 brsdom2 4468 mapdom2 4501 xpmapenlem5 4507 fiint 4576 fiintOLD 4577 tz9.12lem3 4678 rankc1 4722 cp 4739 aceq1 4746 aceq2 4748 aceq3 4750 aceq5lem3 4754 ac6lem 4771 distrlem1pr 5146 ltexprlem1 5161 reclem2pr 5176 gt0srpr 5206 ltpsrpr 5238 subsub23 5393 negcon2 5427 leadd1 5611 lesubadd 5614 leneg 5623 lesub0 5631 ltreci 5887 sup3 6061 xrsupss 6087 elnn0z 6156 elnn0nn 6180 nnwof 6467 discrlem1 6664 nn0opthlem1 6672 sqrlem16 6696 crrecz 6749 cvganz 6931 infcvglem1 7228 infxpidmlem7 7566 infmap2lem1 7588 istps2 7615 isbasis2g 7618 tgval2t 7623 basgent 7646 ntreq0 7712 pilem1 8673 cosh111lem3 8718 efifolem2 8725 axgroth3 8781 grothprim 8785 h2hlm 8852 choc0 9292 chcon2 9389 chcon1 9390 chcon3 9391 chnle 9410 cmcm2 9538 cmcm3 9539 3oalem3 9611 pjdifnorm 9630 pjnel 9670 dfadj2 9814 cnvadj 9818 eleigvec2t 9884 nmop0 9912 nmfn0 9913 nmcopexlem1 9953 nmcfnexlem1 9982 rnbra 10042 pjima 10106 pjhmopidm 10112 cvnbtwn4t 10219 chrelat4 10303 ntunte 10442 cmpdom 10466 |
| 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 |