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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 250 | . 2 ⊢ (𝜓 ↔ 𝜓) | |
2 | 1 | a1i 11 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜓)) |
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: 3anbi12d 1392 3anbi13d 1393 3anbi23d 1394 3anbi1d 1395 3anbi2d 1396 3anbi3d 1397 nfald2 2319 exdistrf 2321 ax12OLD 2329 axc16gALT 2355 sb6x 2372 ralxpxfr2d 3298 rr19.3v 3314 rr19.28v 3315 moeq3 3350 euxfr2 3358 dfif3 4050 sseliALT 4719 reuxfr2d 4817 copsexg 4882 soeq1 4978 soinxp 5106 ordtri3or 5672 ov6g 6696 ovg 6697 sorpssi 6841 dfxp3 7119 aceq1 8823 aceq2 8825 axpowndlem4 9301 axpownd 9302 ltsopr 9733 creur 10891 creui 10892 o1fsum 14386 sumodd 14949 sadfval 15012 sadcp1 15015 pceu 15389 vdwlem12 15534 sgrp2rid2ex 17237 gsumval3eu 18128 lss1d 18784 nrmr0reg 21362 stdbdxmet 22130 xrsxmet 22420 cmetcaulem 22894 bcth3 22936 iundisj2 23124 ulmdvlem3 23960 ulmdv 23961 dchrvmasumlem2 24987 colrot1 25254 lnrot1 25318 lnrot2 25319 dfcgra2 25521 isinag 25529 2pthoncl 26133 crcts 26150 cycls 26151 3cyclfrgrarn1 26539 frgraregorufr0 26579 reuxfr3d 28713 rabtru 28723 iundisj2f 28785 iundisj2fi 28943 ordtprsuni 29293 isrnsigaOLD 29502 pmeasmono 29713 erdszelem9 30435 opnrebl2 31486 wl-ax11-lem9 32549 ax12fromc15 33208 axc16g-o 33237 ax12indalem 33248 ax12inda2ALT 33249 dihopelvalcpre 35555 lpolconN 35794 zindbi 36529 cnvtrucl0 36950 e2ebind 37800 uunT1 38028 trsbcVD 38135 ovnval2 39435 ovnval2b 39442 hoiqssbl 39515 6gbe 40193 8gbe 40195 isrusgr 40761 1wlksfval 40811 wlkson 40864 trlsfval 40903 pthsfval 40927 spthsfval 40928 clwlkS 40978 crctS 40994 cyclS 40995 isfrgr 41430 3cyclfrgrrn1 41455 frgrregorufr0 41489 |
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