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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 529 | . 2 ⊢ (𝜓 ↔ (𝜓 ∧ 𝜑)) |
| 3 | 2 | biancomi 462 | 1 ⊢ (𝜓 ↔ (𝜑 ∧ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 |
| 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 207 df-an 396 |
| This theorem is referenced by: mpbiran 710 cases 1043 truan 1553 2sb5rf 2476 euae 2660 rexv 3457 reuv 3458 rmov 3459 rabab 3460 euxfrw 3667 euxfr 3669 euind 3670 dfdif3OLD 4058 ddif 4081 nssinpss 4207 nsspssun 4208 notabw 4253 vss 4386 reuprg0 4646 reuprg 4647 difsnpss 4752 sspr 4778 sstp 4779 disjprg 5081 mptv 5191 reusv2lem5 5344 oteqex2 5453 dfid4 5527 intirr 6081 xpcan 6140 resssxp 6234 fvopab6 6982 fnressn 7112 riotav 7329 mpov 7479 sorpss 7682 opabn1stprc 8011 fparlem2 8063 fnsuppres 8141 brtpos0 8183 naddrid 8619 sup0riota 9379 genpass 10932 nnwos 12865 hashbclem 14414 ccatlcan 14680 clim0 15468 gcd0id 16488 isdomn3 20692 pjfval2 21689 mat1dimbas 22437 pmatcollpw2lem 22742 isbasis3g 22914 opnssneib 23080 ssidcn 23220 qtopcld 23678 mdegleb 26029 vieta1 26278 lgsne0 27298 axpasch 29010 0wlk 30186 0clwlk 30200 shlesb1i 31457 chnlei 31556 pjneli 31794 cvexchlem 32439 dmdbr5ati 32493 elimifd 32613 fzo0opth 32876 1arithidom 33597 lmxrge0 34096 cntnevol 34372 bnj110 35000 vonf1owev 35290 goeleq12bg 35531 fmlafvel 35567 elpotr 35961 dfbigcup2 36079 mh-regprimbi 36727 bj-alnnf 37034 bj-rexvw 37187 bj-rababw 37188 bj-brab2a1 37463 finxpreclem4 37710 wl-cases2-dnf 37837 wl-euae 37842 wl-dfclab 37910 cnambfre 37989 triantru3 38557 lub0N 39635 glb0N 39639 cvlsupr3 39790 ifpdfor2 43888 ifpdfor 43892 ifpim1 43896 ifpid2 43898 ifpim2 43899 ifpid2g 43920 ifpid1g 43921 ifpim23g 43922 ifpim1g 43928 ifpimimb 43931 rp-isfinite6 43945 rababg 44001 relnonrel 44014 dffrege115 44405 chnsubseqwl 47309 funressnfv 47491 dfnelbr2 47721 edgusgrclnbfin 48318 |
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