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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 13an22anass 1379 an6 1474 reeanlem 3233 reu2 3682 rmo4 3687 rmo3f 3691 rmo3 3835 2reu1 3844 2reu4lem 4478 disjiun 5090 inxp 5808 xp11 6166 dfpo2 6299 fununi 6616 fun 6745 resoprab2 7540 sorpsscmpl 7751 xporderlem 8142 poxp 8143 poseq 8178 fprlem1 8322 frrlem15 9765 dfac5lem1 10206 zorn2lem6 10583 cju 12320 ixxin 13497 elfzo2 13800 xpcogend 15133 summo 15889 prodmo 16109 dfiso2 17953 issubmd 19007 gsumval3eu 20124 dvdsrtr 20604 isirred2 20657 domnmuln0 20967 isdomn3 20972 abvn0b 21099 lspsolvlem 21426 unocv 21992 pf1ind 22679 ordtrest2lem 23527 lmmo 23704 ptbasin 23902 txbasval 23931 txcnp 23945 txlm 23973 tx1stc 23975 tx2ndc 23976 isfild 24183 txflf 24331 isclmp 25424 mbfi1flimlem 26049 iblcnlem1 26114 iblre 26120 iblcn 26125 logfaclbnd 27555 ons2ind 28667 axcontlem4 29551 axcontlem7 29554 ocsh 31891 pjhthmo 31910 5oalem6 32267 cvnbtwn4 32897 superpos 32962 cdj3i 33049 smatrcl 34475 ordtrest2NEWlem 34601 fwfffunres 35765 cusgr3cyclex 35988 lineext 36934 outsideoftr 36987 hilbert1.2 37013 lineintmo 37015 neibastop1 37240 bj-inrab 37933 isbasisrelowllem1 38372 isbasisrelowllem2 38373 ptrest 38631 poimirlem26 38658 ismblfin 38673 unirep 38742 inixp 38756 ablo4pnp 38908 keridl 39060 ispridlc 39098 anan 39261 disjecxrn 39438 coss1cnvres 39533 br1cosscnvxrn 39590 dfeldisj3 39837 antisymrelres 39892 prtlem70 40008 lcvbr3 40174 cvrnbtwn4 40430 linepsubN 40903 pmapsub 40919 pmapjoin 41003 ltrnu 41272 diblsmopel 42322 pell1234qrmulcl 43956 ifpan23 44555 ifpidg 44586 ifpbibib 44605 uneqsn 45119 isthincd2 50666 |
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