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Mirrors > Home > MPE Home > Th. List > biantrur | Structured version Visualization version GIF version |
Description: A wff is equivalent to its conjunction with truth. (Contributed by NM, 3-Aug-1994.) |
Ref | Expression |
---|---|
biantrur.1 | ⊢ 𝜑 |
Ref | Expression |
---|---|
biantrur | ⊢ (𝜓 ↔ (𝜑 ∧ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biantrur.1 | . . 3 ⊢ 𝜑 | |
2 | 1 | biantru 530 | . 2 ⊢ (𝜓 ↔ (𝜓 ∧ 𝜑)) |
3 | 2 | biancomi 463 | 1 ⊢ (𝜓 ↔ (𝜑 ∧ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 205 ∧ wa 396 |
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 206 df-an 397 |
This theorem is referenced by: mpbiran 707 cases 1041 truan 1552 2sb5rf 2470 euae 2654 rexv 3471 reuv 3472 rmov 3473 rabab 3474 euxfrw 3682 euxfr 3684 euind 3685 dfdif3 4079 ddif 4101 nssinpss 4221 nsspssun 4222 notabw 4268 vss 4408 reuprg0 4668 reuprg 4669 difsnpss 4772 sspr 4798 sstp 4799 disjprgw 5105 disjprg 5106 mptv 5226 reusv2lem5 5362 oteqex2 5461 dfid4 5537 intirr 6077 xpcan 6133 resssxp 6227 fvopab6 6986 fnressn 7109 riotav 7323 mpov 7473 sorpss 7670 opabn1stprc 7995 fparlem2 8050 fnsuppres 8127 brtpos0 8169 naddrid 8634 sup0riota 9410 genpass 10954 nnwos 12849 hashbclem 14361 ccatlcan 14618 clim0 15400 gcd0id 16410 pjfval2 21152 mat1dimbas 21858 pmatcollpw2lem 22163 isbasis3g 22336 opnssneib 22503 ssidcn 22643 qtopcld 23101 mdegleb 25466 vieta1 25709 lgsne0 26720 axpasch 27953 0wlk 29123 0clwlk 29137 shlesb1i 30391 chnlei 30490 pjneli 30728 cvexchlem 31373 dmdbr5ati 31427 elimifd 31529 lmxrge0 32622 cntnevol 32916 bnj110 33559 goeleq12bg 34030 fmlafvel 34066 elpotr 34442 dfbigcup2 34560 bj-rexvw 35423 bj-rababw 35424 bj-brab2a1 35693 finxpreclem4 35938 wl-cases2-dnf 36044 wl-euae 36049 wl-dfclab 36121 cnambfre 36199 triantru3 36758 lub0N 37724 glb0N 37728 cvlsupr3 37879 isdomn3 41589 ifpdfor2 41855 ifpdfor 41859 ifpim1 41863 ifpid2 41865 ifpim2 41866 ifpid2g 41887 ifpid1g 41888 ifpim23g 41889 ifpim1g 41895 ifpimimb 41898 rp-isfinite6 41912 rababg 41968 relnonrel 41981 dffrege115 42372 funressnfv 45397 dfnelbr2 45625 |
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