| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6566 ecidg 6878 ixpsnval 6989 mapsnend 7105 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 9696 supminfex 10012 iccf1o 10423 fzsplit3 10474 fzshftral 10531 fzoshftral 10673 infssuzex 10682 2tnp1ge0ge0 10756 fihashen1 11259 seq3coll 11315 s111 11420 swrdspsleq 11460 pfxeq 11489 wrd2ind 11516 cjap 11693 negfi 12016 tanaddaplem 12529 dvdssub 12629 addmodlteqALT 12650 dvdsmod 12653 oddp1even 12667 nn0o1gt2 12696 nn0oddm1d2 12700 bitscmp 12749 cncongr1 12905 cncongr2 12906 4sqlem11 13208 4sqlem17 13214 ballotfilemsima 13316 intopsn 13745 sgrp1 13784 sgrppropd 13786 issubg 14034 nmzsubg 14071 conjnmzb 14141 rng1zrlem 14364 ring1 14470 issubrg 14637 znf1o 15094 znleval 15096 znunit 15102 elmopn 15689 metss 15737 comet 15742 xmetxp 15750 limcmpted 15906 cnlimc 15915 sineq0re 16093 chtqub 16313 bposlem7 16334 lgsneg 16365 lgsne0 16379 lgsprme0 16383 lgsquadlem1 16418 lgsquadlem2 16419 2lgs 16445 2lgsoddprm 16454 edg0iedg0g 16529 wrdupgren 16559 wrdumgren 16569 vtxd0nedgbfi 16762 eupth2lem2dc 16922 eupth2lem3lem6fi 16934 eupth2lem3lem4fi 16936 |
| Copyright terms: Public domain | W3C validator |