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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 468 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ (𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃)))) | |
| 2 | an12 645 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
| 3 | 2 | bianass 642 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃))) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| 4 | 1, 3 | bitri 275 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| 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: an42 657 an4s 660 anandi 676 anandir 677 an6 1447 reeanlem 3200 reu2 3685 rmo4 3690 rmo3f 3694 rmo3 3841 2reu1 3849 2reu4lem 4473 disjiun 5080 inxp 5774 inxpOLD 5775 xp11 6124 dfpo2 6244 fununi 6557 fun 6686 resoprab2 7468 sorpsscmpl 7670 xporderlem 8060 poxp 8061 poseq 8091 fprlem1 8233 frrlem15 9653 dfac5lem1 10017 zorn2lem6 10395 cju 12124 ixxin 13265 elfzo2 13565 xpcogend 14881 summo 15624 prodmo 15843 dfiso2 17679 issubmd 18680 gsumval3eu 19783 dvdsrtr 20253 isirred2 20306 domnmuln0 20594 isdomn3 20600 abvn0b 20721 lspsolvlem 21049 unocv 21587 pf1ind 22240 ordtrest2lem 23088 lmmo 23265 ptbasin 23462 txbasval 23491 txcnp 23505 txlm 23533 tx1stc 23535 tx2ndc 23536 isfild 23743 txflf 23891 isclmp 24995 mbfi1flimlem 25621 iblcnlem1 25687 iblre 25693 iblcn 25698 logfaclbnd 27131 axcontlem4 28916 axcontlem7 28919 ocsh 31231 pjhthmo 31250 5oalem6 31607 cvnbtwn4 32237 superpos 32302 cdj3i 32389 13an22anass 32412 smatrcl 33779 ordtrest2NEWlem 33905 cusgr3cyclex 35129 lineext 36070 outsideoftr 36123 hilbert1.2 36149 lineintmo 36151 neibastop1 36353 bj-inrab 36921 isbasisrelowllem1 37349 isbasisrelowllem2 37350 ptrest 37619 poimirlem26 37646 ismblfin 37661 unirep 37714 inixp 37728 ablo4pnp 37880 keridl 38032 ispridlc 38070 anan 38223 disjecxrn 38381 coss1cnvres 38414 br1cosscnvxrn 38471 dfeldisj3 38717 antisymrelres 38761 prtlem70 38856 lcvbr3 39022 cvrnbtwn4 39278 linepsubN 39751 pmapsub 39767 pmapjoin 39851 ltrnu 40120 diblsmopel 41170 pell1234qrmulcl 42848 ifpan23 43453 ifpidg 43484 ifpbibib 43503 uneqsn 44018 isthincd2 49442 |
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