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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 1544 2sb5rf 2492 euae 2743 rexv 3520 reuv 3521 rmov 3522 rabab 3523 euxfrw 3711 euxfr 3713 euind 3714 dfdif3 4090 ddif 4112 nssinpss 4232 nsspssun 4233 vss 4394 reuprg0 4631 reuprg 4632 difsnpss 4733 sspr 4759 sstp 4760 disjprgw 5053 disjprg 5054 mptv 5163 reusv2lem5 5294 oteqex2 5381 dfid4 5455 intirr 5972 xpcan 6027 fvopab6 6795 fnressn 6914 riotav 7113 mpov 7258 sorpss 7448 opabn1stprc 7750 fparlem2 7802 fnsuppres 7851 brtpos0 7893 sup0riota 8923 genpass 10425 nnwos 12309 hashbclem 13804 ccatlcan 14074 clim0 14857 gcd0id 15861 pjfval2 20847 mat1dimbas 21075 pmatcollpw2lem 21379 isbasis3g 21551 opnssneib 21717 ssidcn 21857 qtopcld 22315 mdegleb 24652 vieta1 24895 lgsne0 25905 axpasch 26721 0wlk 27889 0clwlk 27903 shlesb1i 29157 chnlei 29256 pjneli 29494 cvexchlem 30139 dmdbr5ati 30193 elimifd 30292 lmxrge0 31190 cntnevol 31482 bnj110 32125 goeleq12bg 32591 fmlafvel 32627 elpotr 33021 dfbigcup2 33355 bj-rexvw 34191 bj-rababw 34192 bj-brab2a1 34435 finxpreclem4 34669 wl-cases2-dnf 34746 wl-euae 34751 wl-dfclab 34822 cnambfre 34934 triantru3 35494 lub0N 36319 glb0N 36323 cvlsupr3 36474 isdomn3 39797 ifpdfor2 39819 ifpdfor 39823 ifpim1 39827 ifpid2 39829 ifpim2 39830 ifpid2g 39852 ifpid1g 39853 ifpim23g 39854 ifpim1g 39860 ifpimimb 39863 rp-isfinite6 39877 rababg 39926 relnonrel 39940 rp-imass 40110 dffrege115 40317 funressnfv 43272 dfnelbr2 43466 |
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