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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 485 an4 506 bicom 520 pm4.11 522 con2bi 525 oranabs 582 ordir 597 jcab 598 andi 604 andir 605 pm5.32ri 646 3anrot 780 3orrot 781 3ancoma 782 3anbi123i 822 3orbi123i 823 19.30 1085 19.32 1086 19.31 1087 19.43 1088 19.41 1095 19.42 1096 equsex 1152 cbvex 1166 dfsb3 1226 sbor 1235 sban 1237 sbbi 1239 sb8e 1262 sb6 1267 eeeanv 1324 sbel2x 1345 sbex 1348 sb8eu 1390 eu1 1392 cbvmo 1408 moanim 1427 euan 1428 eqcom 1477 abeq1 1569 clelab 1581 sbabel 1584 ralnex 1653 rexnal 1654 ralbii2 1671 rexbii2 1672 r2al 1676 r3al 1690 r2ex 1691 r19.26 1750 r19.32v 1758 r19.41v 1763 r19.42v 1764 r19.43 1765 ralcom 1774 rexcom 1775 reeanv 1778 reubiia 1781 cbvralf 1796 cbvrexf 1797 cbvrex 1799 cbvreuv 1802 eueq 1916 reu5 1929 reu2 1930 reu3 1931 reu6 1932 rmo4 1933 eqss 2077 dfpss3 2134 uncom 2176 unass 2187 ssequn1 2200 incom 2208 inass 2223 nssinpss 2240 nsspssun 2241 dfss4 2242 dfun2 2243 dfin2 2244 indi 2251 undi 2252 unab 2267 inab 2268 difab 2269 ne0f 2287 rabn0 2292 disj3 2314 ssdif0 2327 difin0ss 2332 inssdif0 2333 ssundif 2344 dfif2 2363 rexpr 2429 snprc 2443 r19.12sn 2444 eluni2 2507 elunirab 2514 uniun 2519 unissb 2528 elintrab 2545 intun 2562 intpr 2563 dfiun2g 2586 iunss 2591 ssiun 2592 ssiin 2599 iunin2 2608 iinun2 2609 iundif2 2610 iunxun 2614 iinuni 2615 iununi 2616 iinpw 2617 dftr2 2682 intexrab 2732 ssext 2763 pweqb 2765 opabid 2810 pwin 2825 pwun 2829 rexxfr 2901 dflim2 3025 unisuc 3046 sucexb 3048 sucelon 3068 onzsl 3117 dflim4 3119 opelxp 3214 rexxp 3219 brinxp2 3231 weinxp 3233 inopab 3268 inxp 3269 dmun 3317 dmuni 3319 dm0rn0 3330 brres 3373 asymref 3439 asymref2 3440 cnvun 3455 cnvin 3456 rnuni 3459 dminss 3462 imainss 3463 cnvxp 3464 rninxp 3482 resco 3500 rnco 3502 coass 3512 cnvpo 3522 cnvso 3523 funcnv 3557 funcnv3 3558 fncnv 3561 fun11 3562 funin 3566 imadif 3574 fint 3650 fin 3651 fores 3681 f1o2 3693 f1o3 3694 f1o4 3696 f1orn 3698 f11o 3712 imaiun 3864 isomin 3899 iinon 3910 dfrdg2 3933 dfoprab2 3991 dfopab2 4113 dfoprab3 4114 foprab2 4119 oarec 4196 erdmrn 4276 mapval2 4335 map0e 4342 elixp2 4349 elixp 4350 mapixp 4362 domen 4379 brsdom 4381 brdom2 4388 xpcomen 4439 xpassen 4441 pw2en 4446 brsdom2 4461 mapdom2 4494 xpmapenlem5 4500 fiint 4559 fiintOLD 4560 tz9.12lem3 4661 rankc1 4705 cp 4722 aceq1 4729 aceq2 4731 aceq3 4733 aceq5lem3 4737 ac6lem 4754 distrlem1pr 5127 ltexprlem1 5142 reclem2pr 5157 gt0srpr 5187 ltpsrpr 5219 subsub23 5374 negcon2 5408 leadd1 5592 lesubadd 5595 leneg 5604 lesub0 5612 ltreci 5878 sup3 6052 xrsupss 6078 elnn0z 6147 elnn0nn 6171 nnwof 6459 discrlem1 6656 nn0opthlem1 6664 sqrlem16 6688 crrecz 6741 cvganz 6924 infcvglem1 7221 infxpidmlem7 7558 infmap2lem1 7579 istps2 7607 isbasis2g 7612 tgval2t 7617 basgent 7640 ntreq0 7708 pilem1 8671 cosh111lem3 8716 efifolem2 8723 axgroth3 8779 grothprim 8783 h2hlm 8850 choc0 9290 chcon2 9387 chcon1 9388 chcon3 9389 chnle 9408 cmcm2 9536 cmcm3 9537 3oalem3 9609 pjdifnorm 9628 pjnel 9668 dfadj2 9812 cnvadj 9816 eleigvec2t 9882 nmop0 9910 nmfn0 9911 nmcopexlem1 9951 nmcfnexlem1 9980 rnbra 10040 pjima 10104 pjhmopidm 10110 cvnbtwn4t 10216 chrelat4 10300 ntunte 10439 cmpdom 10468 |
| 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 |