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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 261 | . 2 ⊢ (𝜓 ↔ 𝜓) | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 |
| 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 207 |
| This theorem is referenced by: ifpbi23d 1080 3anbi12d 1440 3anbi13d 1441 3anbi23d 1442 3anbi1d 1443 3anbi2d 1444 3anbi3d 1445 nfald2 2449 exdistrf 2451 sb6x 2468 axc16gALT 2494 vtoclegft 3531 ralxpxfr2d 3588 rr19.3v 3609 rr19.28v 3610 rabtru 3632 moeq3 3658 euxfr2w 3666 euxfr2 3668 reuxfrd 3694 vn0 4285 eq0 4290 ab0orv 4323 dfif3 4481 sseliALT 5244 copsexgwOLD 5444 copsexg 5445 soeq1 5560 frd 5588 soinxp 5713 idrefALT 6076 ordtri3or 6355 nfriotadw 7332 oprabidw 7398 ov6g 7531 ovg 7532 sorpssi 7683 dfxp3 8014 fsplit 8067 frxp3 8101 xpord3inddlem 8104 aceq1 10039 aceq2 10041 axpowndlem4 10523 axpownd 10524 ltsopr 10955 creur 12153 creui 12154 o1fsum 15776 sumodd 16357 sadfval 16421 sadcp1 16424 pceu 16817 vdwlem12 16963 sgrp2rid2ex 18898 gsumval3eu 19879 lss1d 20958 nrmr0reg 23714 stdbdxmet 24480 xrsxmet 24775 cmetcaulem 25255 bcth3 25298 iundisj2 25516 ulmdvlem3 26367 ulmdv 26368 dchrvmasumlem2 27461 colrot1 28627 lnrot1 28691 lnrot2 28692 wlkson 29723 trlsfval 29762 pthsfval 29787 spthsfval 29788 clwlks 29840 crcts 29856 cycls 29857 3cyclfrgrrn1 30355 frgrwopreg 30393 reuxfrdf 32560 iundisj2f 32660 iundisj2fi 32870 constrcbvlem 33899 ordtprsuni 34063 pmeasmono 34468 erdszelem9 35381 satfv1fvfmla1 35605 opnrebl2 36503 wl-ifpimpr 37782 wl-df-3xor 37784 ax12fromc15 39351 axc16g-o 39380 ax12indalem 39391 ax12inda2ALT 39392 dihopelvalcpre 41694 lpolconN 41933 dvrelog2b 42505 isprimroot 42532 aks6d1c2p2 42558 hashscontpow 42561 rspcsbnea 42570 aks6d1c6lem3 42611 fsuppind 43023 zindbi 43374 cnvtrucl0 44051 ismnushort 44728 e2ebind 44990 uunT1 45206 ovnval2 46973 ovnval2b 46980 hoiqssbl 47053 6gbe 48247 8gbe 48249 isgrim 48358 usgrexmpl1tri 48501 gpgov 48518 gpg3kgrtriex 48565 |
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