| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > biancomi | Structured version Visualization version GIF version | ||
| Description: Commuting conjunction in a biconditional. (Contributed by Peter Mazsa, 17-Jun-2018.) |
| Ref | Expression |
|---|---|
| biancomi.1 | ⊢ (𝜑 ↔ (𝜒 ∧ 𝜓)) |
| Ref | Expression |
|---|---|
| biancomi | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biancomi.1 | . 2 ⊢ (𝜑 ↔ (𝜒 ∧ 𝜓)) | |
| 2 | ancom 466 | . 2 ⊢ ((𝜓 ∧ 𝜒) ↔ (𝜒 ∧ 𝜓)) | |
| 3 | 1, 2 | bitr4i 281 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 |
| This theorem is used by: biantrur 540 rbaibr 547 pm4.71ri 570 anbi2ci 637 anbi1ci 638 anbi12ci 641 an12 658 an32 659 mpbiran2 723 3anan32 1113 eu6lem 2601 elon2 6388 fununi 6634 fnopabg 6695 eqfnfv3 7051 respreima 7086 fsn 7157 brtpos2 8274 tpostpos 8288 oeeu 8637 mapval2 8925 xrltlen 13299 ssfzoulel 13919 xpcogend 15153 dfgcd2 16745 isffth2 18119 resscntz 19574 fiidomfld 21059 1stcelcls 23807 txflf 24352 fclsrest 24370 tsmssubm 24489 blres 24777 xrtgioo 25153 isncvsngp 25497 itg1climres 26062 ellimc3 26226 lgsquadlem1 27734 lgsquadlem2 27735 wlkson 30262 0clwlk 30748 dmrab 33162 qusker 33977 bnj594 35609 kardexen 35930 satf0 36303 mirimanofffr 36628 bj-elinxp 38137 bj-elid6 38282 bj-imdirco 38302 wl-df4-3mintru2 38601 poimirlem4 38733 rabeqel 39380 iss2 39467 ifp1bi 44693 prprelprb 48802 prprspr2 48803 dfsclnbgr6 49159 dfidom2 49643 eliunxp2 49649 |
| Copyright terms: Public domain | W3C validator |