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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 646 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
| 3 | 2 | bianass 643 | . 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 658 an4s 661 anandi 677 anandir 678 an6 1448 reeanlem 3209 reu2 3685 rmo4 3690 rmo3f 3694 rmo3 3841 2reu1 3849 2reu4lem 4478 disjiun 5088 inxp 5788 inxpOLD 5789 xp11 6141 dfpo2 6262 fununi 6575 fun 6704 resoprab2 7487 sorpsscmpl 7689 xporderlem 8079 poxp 8080 poseq 8110 fprlem1 8252 frrlem15 9681 dfac5lem1 10045 zorn2lem6 10423 cju 12153 ixxin 13290 elfzo2 13590 xpcogend 14909 summo 15652 prodmo 15871 dfiso2 17708 issubmd 18743 gsumval3eu 19845 dvdsrtr 20316 isirred2 20369 domnmuln0 20654 isdomn3 20660 abvn0b 20781 lspsolvlem 21109 unocv 21647 pf1ind 22311 ordtrest2lem 23159 lmmo 23336 ptbasin 23533 txbasval 23562 txcnp 23576 txlm 23604 tx1stc 23606 tx2ndc 23607 isfild 23814 txflf 23962 isclmp 25065 mbfi1flimlem 25691 iblcnlem1 25757 iblre 25763 iblcn 25768 logfaclbnd 27201 ons2ind 28283 axcontlem4 29052 axcontlem7 29055 ocsh 31370 pjhthmo 31389 5oalem6 31746 cvnbtwn4 32376 superpos 32441 cdj3i 32528 13an22anass 32549 smatrcl 33973 ordtrest2NEWlem 34099 cusgr3cyclex 35349 lineext 36289 outsideoftr 36342 hilbert1.2 36368 lineintmo 36370 neibastop1 36572 bj-inrab 37172 isbasisrelowllem1 37607 isbasisrelowllem2 37608 ptrest 37867 poimirlem26 37894 ismblfin 37909 unirep 37962 inixp 37976 ablo4pnp 38128 keridl 38280 ispridlc 38318 anan 38483 disjecxrn 38660 coss1cnvres 38755 br1cosscnvxrn 38812 dfeldisj3 39059 antisymrelres 39114 prtlem70 39230 lcvbr3 39396 cvrnbtwn4 39652 linepsubN 40125 pmapsub 40141 pmapjoin 40225 ltrnu 40494 diblsmopel 41544 pell1234qrmulcl 43209 ifpan23 43813 ifpidg 43844 ifpbibib 43863 uneqsn 44378 isthincd2 49793 |
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