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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 264 | . 2 ⊢ (𝜓 ↔ 𝜓) | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 |
| 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 210 |
| This theorem is referenced by: ifpbi23d 1094 3anbi12d 1461 3anbi13d 1462 3anbi23d 1463 3anbi1d 1464 3anbi2d 1465 3anbi3d 1466 nfald2 2479 exdistrf 2481 sb6x 2498 axc16gALT 2524 vtoclegft 3551 ralxpxfr2d 3608 rr19.3v 3629 rr19.28v 3630 rabtru 3651 moeq3 3678 euxfr2w 3686 euxfr2 3688 reuxfrd 3714 vn0 4300 eq0 4305 ab0orv 4339 dfif3 4498 sseliALT 5263 copsexgwOLD 5463 copsexg 5464 soeq1 5580 frd 5608 soinxp 5733 idrefALT 6103 ordtri3or 6382 nfriotadw 7365 oprabidw 7431 ov6g 7564 ovg 7565 sorpssi 7716 dfxp3 8046 fsplit 8100 frxp3 8135 xpord3inddlem 8138 aceq1 10089 aceq2 10091 axpowndlem4 10573 axpownd 10574 ltsopr 11005 creur 12200 creui 12201 o1fsum 15853 sumodd 16434 sadfval 16498 sadcp1 16501 pceu 16894 vdwlem12 17040 sgrp2rid2ex 18977 gsumval3eu 19962 lss1d 21050 nrmr0reg 23863 stdbdxmet 24629 xrsxmet 24924 cmetcaulem 25404 bcth3 25447 iundisj2 25665 ulmdvlem3 26519 ulmdv 26520 dchrvmasumlem2 27616 colrot1 28782 lnrot1 28846 lnrot2 28847 tgplnfn 29001 plngval 29003 isplng 29004 wlkson 29909 trlsfval 29948 pthsfval 29973 spthsfval 29974 clwlks 30026 crcts 30042 cycls 30043 3cyclfrgrrn1 30541 frgrwopreg 30579 reuxfrdf 32743 iundisj2f 32841 iundisj2fi 33050 constrcbvlem 34057 ordtprsuni 34221 pmeasmono 34626 erdszelem9 35557 satfv1fvfmla1 35781 opnrebl2 36689 wl-ifpimpr 37967 wl-df-3xor 37969 ax12fromc15 39536 axc16g-o 39565 ax12indalem 39576 ax12inda2ALT 39577 dihopelvalcpre 41879 lpolconN 42118 dvrelog2b 42690 isprimroot 42717 aks6d1c2p2 42743 hashscontpow 42746 rspcsbnea 42755 aks6d1c6lem3 42796 fsuppind 43179 zindbi 43530 cnvtrucl0 44207 ismnushort 44870 e2ebind 45131 uunT1 45347 ovnval2 47118 ovnval2b 47125 hoiqssbl 47198 6gbe 48392 8gbe 48394 isgrim 48503 usgrexmpl1tri 48646 gpgov 48663 gpg3kgrtriex 48710 |
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