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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 2477 euae 2661 rexv 3470 reuv 3471 rmov 3472 rabab 3473 euxfrw 3681 euxfr 3683 euind 3684 dfdif3OLD 4072 ddif 4095 nssinpss 4221 nsspssun 4222 notabw 4267 vss 4400 reuprg0 4661 reuprg 4662 difsnpss 4765 sspr 4793 sstp 4794 disjprg 5096 mptv 5206 reusv2lem5 5349 oteqex2 5455 dfid4 5528 intirr 6083 xpcan 6142 resssxp 6236 fvopab6 6984 fnressn 7113 riotav 7330 mpov 7480 sorpss 7683 opabn1stprc 8012 fparlem2 8065 fnsuppres 8143 brtpos0 8185 naddrid 8621 sup0riota 9381 genpass 10932 nnwos 12840 hashbclem 14387 ccatlcan 14653 clim0 15441 gcd0id 16458 isdomn3 20660 pjfval2 21676 mat1dimbas 22428 pmatcollpw2lem 22733 isbasis3g 22905 opnssneib 23071 ssidcn 23211 qtopcld 23669 mdegleb 26037 vieta1 26288 lgsne0 27314 axpasch 29026 0wlk 30203 0clwlk 30217 shlesb1i 31474 chnlei 31573 pjneli 31811 cvexchlem 32456 dmdbr5ati 32510 elimifd 32630 fzo0opth 32894 1arithidom 33630 lmxrge0 34130 cntnevol 34406 bnj110 35034 vonf1owev 35324 goeleq12bg 35565 fmlafvel 35601 elpotr 35995 dfbigcup2 36113 bj-alnnf 36980 bj-rexvw 37128 bj-rababw 37129 bj-brab2a1 37404 finxpreclem4 37649 wl-cases2-dnf 37767 wl-euae 37772 wl-dfclab 37840 cnambfre 37919 triantru3 38487 lub0N 39565 glb0N 39569 cvlsupr3 39720 ifpdfor2 43817 ifpdfor 43821 ifpim1 43825 ifpid2 43827 ifpim2 43828 ifpid2g 43849 ifpid1g 43850 ifpim23g 43851 ifpim1g 43857 ifpimimb 43860 rp-isfinite6 43874 rababg 43930 relnonrel 43943 dffrege115 44334 chnsubseqwl 47237 funressnfv 47403 dfnelbr2 47633 edgusgrclnbfin 48202 |
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