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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 439 an23 484 an4 505 bicom 518 pm4.11 520 con2bi 523 oranabs 580 ordir 595 jcab 596 andi 602 andir 603 pm5.32ri 644 3anrot 778 3orrot 779 3ancoma 780 3anbi123i 820 3orbi123i 821 19.30 1081 19.32 1082 19.31 1083 19.43 1084 19.41 1091 19.42 1092 equsex 1148 cbvex 1162 dfsb3 1221 sbor 1230 sban 1232 sbbi 1234 sb8e 1257 sb6 1262 eeeanv 1319 sbel2x 1340 sbex 1343 sb8eu 1383 eu1 1385 cbvmo 1401 moanim 1420 euan 1421 eqcom 1469 abeq1 1561 clelab 1573 sbabel 1576 ralnex 1645 rexnal 1646 ralbii2 1663 rexbii2 1664 r2al 1668 r3al 1682 r2ex 1683 r19.26 1742 r19.32v 1750 r19.41v 1755 r19.42v 1756 r19.43 1757 ralcom 1766 rexcom 1767 reeanv 1770 reubiia 1773 cbvralf 1788 cbvrex 1790 cbvreuv 1793 eueq 1907 reu5 1919 reu2 1920 reu3 1921 reu6 1922 rmo4 1923 eqss 2067 dfpss3 2124 uncom 2166 unass 2177 ssequn1 2190 incom 2198 inass 2213 nssinpss 2230 nsspssun 2231 dfss4 2232 dfun2 2233 dfin2 2234 indi 2241 undi 2242 unab 2257 inab 2258 difab 2259 ne0f 2277 rabn0 2282 disj3 2304 ssdif0 2317 difin0ss 2322 inssdif0 2323 ssundif 2334 dfif2 2353 rexpr 2419 snprc 2433 r19.12sn 2434 eluni2 2497 elunirab 2504 uniun 2509 unissb 2518 elintrab 2535 intun 2552 intpr 2553 dfiun2g 2576 iunss 2581 ssiun 2582 ssiin 2589 iunin2 2598 iinun2 2599 iundif2 2600 iunxun 2604 iinuni 2605 iununi 2606 iinpw 2607 dftr2 2672 intexrab 2722 ssext 2753 pweqb 2755 opabid 2799 pwin 2814 pwun 2818 rexxfr 2891 ordtri3or 2969 dflim2 3015 unisuc 3036 sucexb 3038 sucelon 3058 onzsl 3107 dflim4 3109 opelxp 3204 rexxp 3209 brinxp2 3221 weinxp 3223 inopab 3258 inxp 3259 dmun 3306 dmuni 3308 dm0rn0 3319 brres 3357 asymref 3423 asymref2 3424 asymrefOLD 3425 asymref2OLD 3426 cnvun 3441 cnvin 3442 rnuni 3445 dminss 3448 imainss 3449 cnvxp 3450 rninxp 3468 resco 3486 rnco 3488 coass 3498 cnvpo 3508 cnvso 3509 funcnv 3543 funcnv3 3544 fncnv 3547 fun11 3548 funin 3552 imadif 3560 fint 3635 fin 3636 fores 3666 f1o2 3678 f1o3 3679 f1o4 3681 f1orn 3683 f11o 3697 imaiun 3849 isomin 3884 iinon 3895 dfrdg2 3918 dfoprab2 3976 dfopab2 4097 dfoprab3 4098 foprab2 4103 oarec 4180 erdmrn 4260 mapval2 4319 map0e 4326 elixp2 4333 elixp 4334 mapixp 4346 domen 4361 brsdom 4363 brdom2 4369 xpcomen 4419 xpassen 4421 pw2en 4426 brsdom2 4441 mapdom2 4474 xpmapenlem5 4480 fiint 4534 tz9.12lem3 4633 rankc1 4677 cp 4694 aceq1 4701 aceq2 4703 aceq3 4705 aceq5lem3 4709 ac6lem 4726 distrlem1pr 5099 ltexprlem1 5114 reclem2pr 5129 gt0srpr 5159 ltpsrpr 5191 subsub23 5346 negcon2 5380 leadd1 5566 lesubadd 5569 leneg 5578 lesub0 5586 ltreci 5826 sup3 5999 xrsupss 6025 elnn0z 6094 elnn0nn 6118 nnwof 6391 discrlem1 6586 nn0opthlem1 6594 sqrlem16 6618 crrecz 6672 cvganz 6861 infcvglem1 7156 infxpidmlem7 7501 infmap2lem1 7521 istps2 7549 isbasis2g 7554 tgval2t 7559 basgent 7582 ntreq0 7650 pilem1 8590 cosh111lem3 8631 efifolem2 8638 axgroth3 8718 grothprim 8722 h2hlm 8789 choc0 9205 chcon2 9302 chcon1 9303 chcon3 9304 chnle 9323 cmcm2 9453 cmcm3 9454 3oalem3 9526 pjdifnorm 9545 pjnel 9585 dfadj2 9729 cnvadj 9733 eleigvec2t 9798 nmop0 9826 nmfn0 9827 nmcopexlem1 9866 nmcfnexlem1 9895 rnbra 9953 pjima 10015 pjhmopidm 10020 cvnbtwn4t 10126 chrelat4 10208 cbvrexf 10338 ntunte 10340 cmpdom 10364 |
| 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 |