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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 532 | . 2 ⊢ (𝜓 ↔ (𝜓 ∧ 𝜑)) |
3 | 2 | biancomi 465 | 1 ⊢ (𝜓 ↔ (𝜑 ∧ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 ∧ wa 398 |
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 df-an 399 |
This theorem is referenced by: mpbiran 707 cases 1037 truan 1548 2sb5rf 2496 euae 2745 rexv 3520 reuv 3521 rmov 3522 rabab 3523 euxfrw 3712 euxfr 3714 euind 3715 dfdif3 4091 ddif 4113 nssinpss 4233 nsspssun 4234 vss 4395 reuprg0 4638 reuprg 4639 difsnpss 4740 sspr 4766 sstp 4767 disjprgw 5061 disjprg 5062 mptv 5171 reusv2lem5 5303 oteqex2 5389 dfid4 5461 intirr 5978 xpcan 6033 fvopab6 6801 fnressn 6920 riotav 7119 mpov 7264 sorpss 7454 opabn1stprc 7756 fparlem2 7808 fnsuppres 7857 brtpos0 7899 sup0riota 8929 genpass 10431 nnwos 12316 hashbclem 13811 ccatlcan 14080 clim0 14863 gcd0id 15867 pjfval2 20853 mat1dimbas 21081 pmatcollpw2lem 21385 isbasis3g 21557 opnssneib 21723 ssidcn 21863 qtopcld 22321 mdegleb 24658 vieta1 24901 lgsne0 25911 axpasch 26727 0wlk 27895 0clwlk 27909 shlesb1i 29163 chnlei 29262 pjneli 29500 cvexchlem 30145 dmdbr5ati 30199 elimifd 30298 lmxrge0 31195 cntnevol 31487 bnj110 32130 goeleq12bg 32596 fmlafvel 32632 elpotr 33026 dfbigcup2 33360 bj-rexvw 34199 bj-rababw 34200 bj-brab2a1 34444 finxpreclem4 34678 wl-cases2-dnf 34767 wl-euae 34772 wl-dfclab 34843 cnambfre 34955 triantru3 35515 lub0N 36340 glb0N 36344 cvlsupr3 36495 isdomn3 39824 ifpdfor2 39846 ifpdfor 39850 ifpim1 39854 ifpid2 39856 ifpim2 39857 ifpid2g 39879 ifpid1g 39880 ifpim23g 39881 ifpim1g 39887 ifpimimb 39890 rp-isfinite6 39904 rababg 39953 relnonrel 39967 rp-imass 40137 dffrege115 40344 funressnfv 43298 dfnelbr2 43492 |
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