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| Mirrors > Home > ILE Home > Th. List > 3bitrd | Unicode version | ||
| Description: Deduction from transitivity of biconditional. (Contributed by NM, 13-Aug-1999.) |
| Ref | Expression |
|---|---|
| 3bitrd.1 |
|
| 3bitrd.2 |
|
| 3bitrd.3 |
|
| Ref | Expression |
|---|---|
| 3bitrd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3bitrd.1 |
. . 3
| |
| 2 | 3bitrd.2 |
. . 3
| |
| 3 | 1, 2 | bitrd 188 |
. 2
|
| 4 | 3bitrd.3 |
. 2
| |
| 5 | 3, 4 | bitrd 188 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: sbceqal 3107 sbcnel12g 3164 elxp4 5278 elxp5 5279 f1eq123d 5634 foeq123d 5635 f1oeq123d 5636 fnmptfvd 5816 ofrfval 6315 eloprabi 6436 fnmpoovd 6455 suppsnopdc 6494 smoeq 6565 ecidg 6877 ixpsnval 6987 mapsnend 7103 enqbreq2 7730 ltanqg 7773 caucvgprprlemexb 8080 caucvgsrlemgt1 8168 caucvgsrlemoffres 8173 ltrennb 8227 apneg 8947 mulext1 8948 apdivmuld 9151 ltdiv23 9230 lediv23 9231 halfpos 9547 addltmul 9553 div4p1lem1div2 9570 ztri3or 9698 supminfex 10013 iccf1o 10424 fzsplit3 10475 fzshftral 10532 fzoshftral 10674 infssuzex 10683 2tnp1ge0ge0 10757 fihashen1 11260 seq3coll 11316 s111 11421 swrdspsleq 11461 pfxeq 11490 wrd2ind 11517 cjap 11694 negfi 12017 tanaddaplem 12530 dvdssub 12630 addmodlteqALT 12651 dvdsmod 12654 oddp1even 12668 nn0o1gt2 12697 nn0oddm1d2 12701 bitscmp 12750 cncongr1 12906 cncongr2 12907 4sqlem11 13209 4sqlem17 13215 ballotfilemsima 13317 intopsn 13746 sgrp1 13785 sgrppropd 13787 issubg 14035 nmzsubg 14072 conjnmzb 14142 rng1zrlem 14365 ring1 14471 issubrg 14638 znf1o 15095 znleval 15097 znunit 15103 elmopn 15672 metss 15720 comet 15725 xmetxp 15733 limcmpted 15889 cnlimc 15898 sineq0re 16076 chtqub 16296 bposlem7 16317 lgsneg 16348 lgsne0 16362 lgsprme0 16366 lgsquadlem1 16401 lgsquadlem2 16402 2lgs 16428 2lgsoddprm 16437 edg0iedg0g 16512 wrdupgren 16542 wrdumgren 16552 vtxd0nedgbfi 16745 eupth2lem2dc 16905 eupth2lem3lem6fi 16917 eupth2lem3lem4fi 16919 |
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