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| Mirrors > Home > MPE Home > Th. List > an4 | Structured version Visualization version GIF version | ||
| Description: Rearrangement of 4 conjuncts. (Contributed by NM, 10-Jul-1994.) |
| Ref | Expression |
|---|---|
| an4 | ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | anass 472 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ (𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃)))) | |
| 2 | an12 655 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
| 3 | 2 | bianass 652 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃))) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| 4 | 1, 3 | bitri 277 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∧ 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 209 df-an 400 |
| This theorem is referenced by: an42 667 an4s 670 anandi 686 anandir 687 an6 1465 reeanlem 3232 reu2 3686 rmo4 3691 rmo3f 3695 rmo3 3840 2reu1 3848 2reu4lem 4474 disjiun 5085 inxp 5800 xp11 6156 dfpo2 6278 fununi 6591 fun 6721 resoprab2 7510 sorpsscmpl 7712 xporderlem 8101 poxp 8102 poseq 8132 fprlem1 8275 frrlem15 9709 dfac5lem1 10073 zorn2lem6 10452 cju 12185 ixxin 13360 elfzo2 13661 xpcogend 14981 summo 15735 prodmo 15957 dfiso2 17796 issubmd 18831 gsumval3eu 19935 dvdsrtr 20404 isirred2 20457 domnmuln0 20746 isdomn3 20752 abvn0b 20873 lspsolvlem 21200 unocv 21720 pf1ind 22406 ordtrest2lem 23251 lmmo 23428 ptbasin 23625 txbasval 23654 txcnp 23668 txlm 23696 tx1stc 23698 tx2ndc 23699 isfild 23906 txflf 24054 isclmp 25147 mbfi1flimlem 25772 iblcnlem1 25838 iblre 25844 iblcn 25849 logfaclbnd 27274 ons2ind 28356 axcontlem4 29125 axcontlem7 29128 ocsh 31443 pjhthmo 31462 5oalem6 31819 cvnbtwn4 32449 superpos 32514 cdj3i 32601 13an22anass 32622 smatrcl 34054 ordtrest2NEWlem 34180 cusgr3cyclex 35447 lineext 36387 outsideoftr 36440 hilbert1.2 36466 lineintmo 36468 neibastop1 36680 bj-inrab 37373 isbasisrelowllem1 37810 isbasisrelowllem2 37811 ptrest 38079 poimirlem26 38106 ismblfin 38121 unirep 38174 inixp 38188 ablo4pnp 38340 keridl 38492 ispridlc 38530 anan 38695 disjecxrn 38872 coss1cnvres 38967 br1cosscnvxrn 39024 dfeldisj3 39271 antisymrelres 39326 prtlem70 39442 lcvbr3 39608 cvrnbtwn4 39864 linepsubN 40337 pmapsub 40353 pmapjoin 40437 ltrnu 40706 diblsmopel 41756 pell1234qrmulcl 43393 ifpan23 43997 ifpidg 44028 ifpbibib 44047 uneqsn 44562 isthincd2 50019 |
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