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| Mirrors > Home > ILE Home > Th. List > bitr4di | Unicode version | ||
| Description: A syllogism inference from two biconditionals. (Contributed by NM, 5-Aug-1993.) |
| Ref | Expression |
|---|---|
| bitr4di.1 |
|
| bitr4di.2 |
|
| Ref | Expression |
|---|---|
| bitr4di |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bitr4di.1 |
. 2
| |
| 2 | bitr4di.2 |
. . 3
| |
| 3 | 2 | bicomi 132 |
. 2
|
| 4 | 1, 3 | bitrdi 196 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: 3bitr4g 223 bibi2i 227 3bior1fd 1388 3biant1d 1391 equsalh 1774 eueq3dc 2980 sbcel12g 3142 sbceqg 3143 sbcnel12g 3144 reldisj 3546 r19.3rm 3583 eldifpr 3696 eldiftp 3715 rabxp 4763 elrng 4921 iss 5059 eliniseg 5106 fcnvres 5520 dffv3g 5635 funimass4 5696 fndmdif 5752 fneqeql 5755 funimass3 5763 elrnrexdmb 5787 dff4im 5793 fconst4m 5874 elunirn 5907 riota1 5991 riota2df 5993 f1ocnvfv3 6007 eqfnov 6128 caoftrn 6268 mpoxopovel 6407 rntpos 6423 ordgt0ge1 6603 iinerm 6776 erinxp 6778 qliftfun 6786 mapdm0 6832 elfi2 7171 fifo 7179 inl11 7264 ctssdccl 7310 isomnimap 7336 ismkvmap 7353 iswomnimap 7365 omniwomnimkv 7366 pr2nelem 7396 indpi 7562 genpdflem 7727 genpdisj 7743 genpassl 7744 genpassu 7745 ltnqpri 7814 ltpopr 7815 ltexprlemm 7820 ltexprlemdisj 7826 ltexprlemloc 7827 ltrennb 8074 letri3 8260 letr 8262 ltneg 8642 leneg 8645 reapltxor 8769 apsym 8786 suprnubex 9133 suprleubex 9134 elnnnn0 9445 zrevaddcl 9530 znnsub 9531 znn0sub 9545 prime 9579 eluz2 9761 eluz2b1 9835 nn01to3 9851 qrevaddcl 9878 xrletri3 10039 xrletr 10043 iccid 10160 elicopnf 10204 fzsplit2 10285 fzsn 10301 fzpr 10312 uzsplit 10327 fvinim0ffz 10488 lt2sqi 10890 le2sqi 10891 ccatlcan 11303 ccatrcan 11304 abs00ap 11640 iooinsup 11855 mertenslem2 12115 fprod2dlemstep 12201 gcddiv 12608 algcvgblem 12639 isprm3 12708 dvdsfi 12829 imasmnd2 13553 imasgrp2 13715 issubg 13778 resgrpisgrp 13800 eqgval 13828 imasrng 13988 ring1 14091 imasring 14096 crngunit 14144 lssle0 14405 lssats2 14447 zndvds 14682 znleval 14686 znleval2 14687 eltg2b 14797 discld 14879 opnssneib 14899 restbasg 14911 ssidcn 14953 cnptoprest2 14983 lmss 14989 txrest 15019 txlm 15022 imasnopn 15042 bldisj 15144 xmeter 15179 bl2ioo 15293 limcdifap 15405 issubgr 16127 bj-sseq 16439 nnti 16642 2omap 16645 pw1nct 16655 |
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