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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 474 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ (𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃)))) | |
| 2 | an12 658 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
| 3 | 2 | bianass 655 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃))) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| 4 | 1, 3 | bitri 278 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| 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: an42 670 an4s 673 anandi 689 anandir 690 13an22anassOLD 1380 an6 1475 reeanlem 3237 reu2 3686 rmo4 3691 rmo3f 3695 rmo3 3840 2reu1 3849 2reu4lem 4482 disjiun 5096 inxp 5819 xp11 6185 dfpo2 6325 fununi 6645 fun 6774 resoprab2 7570 sorpsscmpl 7782 xporderlem 8176 poxp 8177 poseq 8212 fprlem1 8356 frrlem15 9798 dfac5lem1 10241 zorn2lem6 10618 cju 12356 ixxin 13533 elfzo2 13836 xpcogend 15170 summo 15927 prodmo 16147 dfiso2 17997 issubmd 19051 gsumval3eu 20169 dvdsrtr 20649 isirred2 20702 domnmuln0 21012 isdomn3 21017 abvn0b 21144 lspsolvlem 21471 unocv 22041 pf1ind 22728 ordtrest2lem 23576 lmmo 23753 ptbasin 23951 txbasval 23980 txcnp 23994 txlm 24022 tx1stc 24024 tx2ndc 24025 isfild 24232 txflf 24380 isclmp 25473 mbfi1flimlem 26098 iblcnlem1 26163 iblre 26169 iblcn 26174 logfaclbnd 27606 ons2ind 28718 axcontlem4 29602 axcontlem7 29605 ocsh 31942 pjhthmo 31961 5oalem6 32318 cvnbtwn4 32948 superpos 33013 cdj3i 33100 smatrcl 34539 ordtrest2NEWlem 34665 fwfffunres 35829 cusgr3cyclex 36109 lineext 37056 outsideoftr 37109 hilbert1.2 37135 lineintmo 37137 neibastop1 37362 bj-inrab 38055 bj-inxpALT 38176 isbasisrelowllem1 38546 isbasisrelowllem2 38547 ptrest 38805 poimirlem26 38832 ismblfin 38847 unirep 38916 inixp 38930 ablo4pnp 39080 keridl 39232 ispridlc 39270 anan 39433 disjecxrn 39610 coss1cnvres 39705 br1cosscnvxrn 39762 dfeldisj3 40009 antisymrelres 40064 prtlem70 40180 lcvbr3 40346 cvrnbtwn4 40602 linepsubN 41075 pmapsub 41091 pmapjoin 41175 ltrnu 41444 diblsmopel 42494 pell1234qrmulcl 44128 ifpan23 44722 ifpidg 44753 ifpbibib 44772 uneqsn 45286 isthincd2 50903 |
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