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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 533 | . 2 ⊢ (𝜓 ↔ (𝜓 ∧ 𝜑)) |
3 | 2 | biancomi 466 | 1 ⊢ (𝜓 ↔ (𝜑 ∧ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 ∧ wa 399 |
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 210 df-an 400 |
This theorem is referenced by: mpbiran 709 cases 1043 truan 1554 2sb5rf 2471 euae 2660 rexv 3423 reuv 3424 rmov 3425 rabab 3426 euxfrw 3623 euxfr 3625 euind 3626 dfdif3 4015 ddif 4037 nssinpss 4157 nsspssun 4158 notabw 4204 vss 4344 reuprg0 4604 reuprg 4605 difsnpss 4706 sspr 4732 sstp 4733 disjprgw 5034 disjprg 5035 mptv 5145 reusv2lem5 5280 oteqex2 5367 dfid4 5441 intirr 5963 xpcan 6019 resssxp 6113 fvopab6 6829 fnressn 6951 riotav 7153 mpov 7300 sorpss 7494 opabn1stprc 7806 fparlem2 7859 fnsuppres 7911 brtpos0 7953 sup0riota 9059 genpass 10588 nnwos 12476 hashbclem 13981 ccatlcan 14248 clim0 15032 gcd0id 16041 pjfval2 20625 mat1dimbas 21323 pmatcollpw2lem 21628 isbasis3g 21800 opnssneib 21966 ssidcn 22106 qtopcld 22564 mdegleb 24916 vieta1 25159 lgsne0 26170 axpasch 26986 0wlk 28153 0clwlk 28167 shlesb1i 29421 chnlei 29520 pjneli 29758 cvexchlem 30403 dmdbr5ati 30457 elimifd 30559 lmxrge0 31570 cntnevol 31862 bnj110 32505 goeleq12bg 32978 fmlafvel 33014 elpotr 33427 naddid1 33522 dfbigcup2 33887 bj-rexvw 34752 bj-rababw 34753 bj-brab2a1 35004 finxpreclem4 35251 wl-cases2-dnf 35357 wl-euae 35362 wl-dfclab 35433 cnambfre 35511 triantru3 36066 lub0N 36889 glb0N 36893 cvlsupr3 37044 isdomn3 40673 ifpdfor2 40694 ifpdfor 40698 ifpim1 40702 ifpid2 40704 ifpim2 40705 ifpid2g 40726 ifpid1g 40727 ifpim23g 40728 ifpim1g 40734 ifpimimb 40737 rp-isfinite6 40751 rababg 40798 relnonrel 40812 dffrege115 41204 funressnfv 44152 dfnelbr2 44380 |
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