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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 709 cases 1042 truan 1552 2sb5rf 2476 euae 2660 rexv 3468 reuv 3469 rmov 3470 rabab 3471 euxfrw 3679 euxfr 3681 euind 3682 dfdif3OLD 4070 ddif 4093 nssinpss 4219 nsspssun 4220 notabw 4265 vss 4398 reuprg0 4659 reuprg 4660 difsnpss 4763 sspr 4791 sstp 4792 disjprg 5094 mptv 5204 reusv2lem5 5347 oteqex2 5447 dfid4 5520 intirr 6075 xpcan 6134 resssxp 6228 fvopab6 6975 fnressn 7103 riotav 7320 mpov 7470 sorpss 7673 opabn1stprc 8002 fparlem2 8055 fnsuppres 8133 brtpos0 8175 naddrid 8611 sup0riota 9369 genpass 10920 nnwos 12828 hashbclem 14375 ccatlcan 14641 clim0 15429 gcd0id 16446 isdomn3 20648 pjfval2 21664 mat1dimbas 22416 pmatcollpw2lem 22721 isbasis3g 22893 opnssneib 23059 ssidcn 23199 qtopcld 23657 mdegleb 26025 vieta1 26276 lgsne0 27302 axpasch 29014 0wlk 30191 0clwlk 30205 shlesb1i 31461 chnlei 31560 pjneli 31798 cvexchlem 32443 dmdbr5ati 32497 elimifd 32618 fzo0opth 32883 1arithidom 33618 lmxrge0 34109 cntnevol 34385 bnj110 35014 vonf1owev 35302 goeleq12bg 35543 fmlafvel 35579 elpotr 35973 dfbigcup2 36091 bj-rexvw 37081 bj-rababw 37082 bj-brab2a1 37354 finxpreclem4 37599 wl-cases2-dnf 37717 wl-euae 37722 wl-dfclab 37790 cnambfre 37869 triantru3 38432 lub0N 39449 glb0N 39453 cvlsupr3 39604 ifpdfor2 43702 ifpdfor 43706 ifpim1 43710 ifpid2 43712 ifpim2 43713 ifpid2g 43734 ifpid1g 43735 ifpim23g 43736 ifpim1g 43742 ifpimimb 43745 rp-isfinite6 43759 rababg 43815 relnonrel 43828 dffrege115 44219 chnsubseqwl 47123 funressnfv 47289 dfnelbr2 47519 edgusgrclnbfin 48088 |
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