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Mirrors > Home > MPE Home > Th. List > 3bitr3d | Structured version Visualization version GIF version |
Description: Deduction from transitivity of biconditional. Useful for converting conditional definitions in a formula. (Contributed by NM, 24-Apr-1996.) |
Ref | Expression |
---|---|
3bitr3d.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
3bitr3d.2 | ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
3bitr3d.3 | ⊢ (𝜑 → (𝜒 ↔ 𝜏)) |
Ref | Expression |
---|---|
3bitr3d | ⊢ (𝜑 → (𝜃 ↔ 𝜏)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3bitr3d.2 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) | |
2 | 3bitr3d.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
3 | 1, 2 | bitr3d 269 | . 2 ⊢ (𝜑 → (𝜃 ↔ 𝜒)) |
4 | 3bitr3d.3 | . 2 ⊢ (𝜑 → (𝜒 ↔ 𝜏)) | |
5 | 3, 4 | bitrd 267 | 1 ⊢ (𝜑 → (𝜃 ↔ 𝜏)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 196 |
This theorem is referenced by: sbcne12 3938 fnprb 6377 fntpb 6378 eloprabga 6645 ordsucuniel 6916 ordsucun 6917 oeoa 7564 ereldm 7677 boxcutc 7837 mapen 8009 mapfien 8196 wemapwe 8477 sdom2en01 9007 prlem936 9748 subcan 10215 mulcan1g 10559 conjmul 10621 ltrec 10784 rebtwnz 11663 xposdif 11964 divelunit 12185 fseq1m1p1 12284 fzm1 12289 fllt 12469 hashfacen 13095 hashf1 13098 lenegsq 13908 dvdsmod 14888 bitsmod 14996 smueqlem 15050 rpexp 15270 eulerthlem2 15325 odzdvds 15338 pcelnn 15412 xpsle 16064 isepi 16223 fthmon 16410 pospropd 16957 grpidpropd 17084 mndpropd 17139 mhmpropd 17164 grppropd 17260 ghmnsgima 17507 mndodcong 17784 odf1 17802 odf1o1 17810 sylow3lem6 17870 lsmcntzr 17916 efgredlema 17976 cmnpropd 18025 dprdf11 18245 ringpropd 18405 dvdsrpropd 18519 abvpropd 18665 lmodprop2d 18748 lsspropd 18838 lmhmpropd 18894 lbspropd 18920 lvecvscan 18932 lvecvscan2 18933 assapropd 19148 chrnzr 19697 zndvds0 19718 ip2eq 19817 phlpropd 19819 qtopcn 21327 tsmsf1o 21758 xmetgt0 21973 txmetcnp 22162 metustsym 22170 nlmmul0or 22297 cnmet 22385 evth 22566 isclmp 22705 minveclem3b 23007 mbfposr 23225 itg2cn 23336 iblcnlem 23361 dvcvx 23587 ulm2 23943 efeq1 24079 dcubic 24373 mcubic 24374 dquart 24380 birthdaylem3 24480 ftalem2 24600 issqf 24662 sqff1o 24708 bposlem7 24815 lgsabs1 24861 gausslemma2dlem1a 24890 lgsquadlem2 24906 dchrisum0lem1 25005 opphllem6 25444 colhp 25462 lmiinv 25484 lmiopp 25494 cusgra2v 25991 eupath2lem3 26506 nmounbi 27015 ip2eqi 27096 hvmulcan 27313 hvsubcan2 27316 hi2eq 27346 fh2 27862 riesz4i 28306 cvbr4i 28610 xdivpnfrp 28972 isorng 29130 ballotlemfc0 29881 ballotlemfcc 29882 sgnmulsgn 29938 sgnmulsgp 29939 subfacp1lem5 30420 topfneec2 31521 neibastop3 31527 unccur 32562 cos2h 32570 tan2h 32571 poimirlem25 32604 poimirlem27 32606 dvasin 32666 caures 32726 ismtyima 32772 isdmn3 33043 tendospcanN 35330 dochsncom 35689 or3or 37339 neicvgel1 37437 rusbcALT 37662 sbc3orgOLD 37763 climreeq 38680 coseq0 38747 eupth2lem3lem3 41398 eupth2lem3lem6 41401 mgmhmpropd 41575 |
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