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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 5275 elxp5 5276 f1eq123d 5631 foeq123d 5632 f1oeq123d 5633 fnmptfvd 5813 ofrfval 6311 eloprabi 6432 fnmpoovd 6451 suppsnopdc 6490 smoeq 6561 ecidg 6873 ixpsnval 6983 mapsnend 7099 enqbreq2 7724 ltanqg 7767 caucvgprprlemexb 8074 caucvgsrlemgt1 8162 caucvgsrlemoffres 8167 ltrennb 8221 apneg 8941 mulext1 8942 apdivmuld 9145 ltdiv23 9224 lediv23 9225 halfpos 9540 addltmul 9546 div4p1lem1div2 9563 ztri3or 9691 supminfex 10006 iccf1o 10417 fzsplit3 10468 fzshftral 10525 fzoshftral 10667 infssuzex 10676 2tnp1ge0ge0 10749 fihashen1 11252 seq3coll 11308 s111 11413 swrdspsleq 11453 pfxeq 11482 wrd2ind 11509 cjap 11686 negfi 12009 tanaddaplem 12521 dvdssub 12621 addmodlteqALT 12642 dvdsmod 12645 oddp1even 12659 nn0o1gt2 12688 nn0oddm1d2 12692 bitscmp 12741 cncongr1 12897 cncongr2 12898 4sqlem11 13200 4sqlem17 13206 ballotfilemsima 13308 intopsn 13736 sgrp1 13775 sgrppropd 13777 issubg 14025 nmzsubg 14062 conjnmzb 14132 rng1zrlem 14307 ring1 14413 issubrg 14578 znf1o 15035 znleval 15037 znunit 15043 elmopn 15596 metss 15644 comet 15649 xmetxp 15657 limcmpted 15813 cnlimc 15822 lgsneg 16241 lgsne0 16255 lgsprme0 16259 lgsquadlem1 16294 lgsquadlem2 16295 2lgs 16321 2lgsoddprm 16330 edg0iedg0g 16405 wrdupgren 16435 wrdumgren 16445 vtxd0nedgbfi 16638 eupth2lem2dc 16798 eupth2lem3lem6fi 16810 eupth2lem3lem4fi 16812 |
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