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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 263 | . 2 ⊢ (𝜓 ↔ 𝜓) | |
2 | 1 | a1i 11 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 |
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 209 |
This theorem is referenced by: 3anbi12d 1433 3anbi13d 1434 3anbi23d 1435 3anbi1d 1436 3anbi2d 1437 3anbi3d 1438 nfald2 2467 exdistrf 2469 sb6x 2487 axc16gALT 2529 raleq 3407 rexeq 3408 ralxpxfr2d 3641 rr19.3v 3663 rr19.28v 3664 rabtru 3679 moeq3 3705 euxfr2w 3713 euxfr2 3715 reuxfrd 3741 dfif3 4483 sseliALT 5215 copsexgw 5383 copsexg 5384 soeq1 5496 soinxp 5635 idrefALT 5975 ordtri3or 6225 nfriotadw 7124 oprabidw 7189 ov6g 7314 ovg 7315 sorpssi 7457 dfxp3 7761 fsplit 7814 aceq1 9545 aceq2 9547 axpowndlem4 10024 axpownd 10025 ltsopr 10456 creur 11634 creui 11635 o1fsum 15170 sumodd 15741 sadfval 15803 sadcp1 15806 pceu 16185 vdwlem12 16330 sgrp2rid2ex 18094 gsumval3eu 19026 lss1d 19737 nrmr0reg 22359 stdbdxmet 23127 xrsxmet 23419 cmetcaulem 23893 bcth3 23936 iundisj2 24152 ulmdvlem3 24992 ulmdv 24993 dchrvmasumlem2 26076 colrot1 26347 lnrot1 26411 lnrot2 26412 wksfval 27393 wlkson 27440 trlsfval 27479 pthsfval 27504 spthsfval 27505 clwlks 27555 crcts 27571 cycls 27572 3cyclfrgrrn1 28066 frgrwopreg 28104 reuxfrdf 30257 iundisj2f 30342 iundisj2fi 30522 ordtprsuni 31164 pmeasmono 31584 subgrwlk 32381 erdszelem9 32448 satfv1fvfmla1 32672 opnrebl2 33671 bj-ififc 33917 wl-ax11-lem9 34827 ax12fromc15 36043 axc16g-o 36072 ax12indalem 36083 ax12inda2ALT 36084 dihopelvalcpre 38386 lpolconN 38625 zindbi 39550 cnvtrucl0 39991 e2ebind 40904 uunT1 41121 ovnval2 42834 ovnval2b 42841 hoiqssbl 42914 6gbe 43943 8gbe 43945 |
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