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Mirrors > Home > MPE Home > Th. List > biidd | Structured version Visualization version GIF version |
Description: Principle of identity with antecedent. (Contributed by NM, 25-Nov-1995.) |
Ref | Expression |
---|---|
biidd | ⊢ (𝜑 → (𝜓 ↔ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biid 251 | . 2 ⊢ (𝜓 ↔ 𝜓) | |
2 | 1 | a1i 11 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 |
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 197 |
This theorem is referenced by: 3anbi12d 1400 3anbi13d 1401 3anbi23d 1402 3anbi1d 1403 3anbi2d 1404 3anbi3d 1405 nfald2 2331 exdistrf 2333 ax12OLD 2341 axc16gALT 2367 sb6x 2384 ralxpxfr2d 3327 rr19.3v 3345 rr19.28v 3346 rabtru 3361 moeq3 3383 euxfr2 3391 dfif3 4100 sseliALT 4791 reuxfr2d 4891 copsexg 4956 soeq1 5054 soinxp 5183 ordtri3or 5755 ov6g 6798 ovg 6799 sorpssi 6943 dfxp3 7230 aceq1 8940 aceq2 8942 axpowndlem4 9422 axpownd 9423 ltsopr 9854 creur 11014 creui 11015 o1fsum 14545 sumodd 15111 sadfval 15174 sadcp1 15177 pceu 15551 vdwlem12 15696 sgrp2rid2ex 17414 gsumval3eu 18305 lss1d 18963 nrmr0reg 21552 stdbdxmet 22320 xrsxmet 22612 cmetcaulem 23086 bcth3 23128 iundisj2 23317 ulmdvlem3 24156 ulmdv 24157 dchrvmasumlem2 25187 colrot1 25454 lnrot1 25518 lnrot2 25519 dfcgra2 25721 isinag 25729 isrusgr 26457 wksfval 26505 wlkson 26552 trlsfval 26592 pthsfval 26617 spthsfval 26618 clwlks 26668 crcts 26683 cycls 26684 3cyclfrgrrn1 27149 frgrwopreg 27187 reuxfr3d 29329 iundisj2f 29403 iundisj2fi 29556 ordtprsuni 29965 isrnsigaOLD 30175 pmeasmono 30386 erdszelem9 31181 opnrebl2 32316 wl-ax11-lem9 33370 ax12fromc15 34190 axc16g-o 34219 ax12indalem 34230 ax12inda2ALT 34231 dihopelvalcpre 36537 lpolconN 36776 zindbi 37511 cnvtrucl0 37931 e2ebind 38779 uunT1 39007 trsbcVD 39113 ovnval2 40759 ovnval2b 40766 hoiqssbl 40839 6gbe 41659 8gbe 41661 |
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