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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 3207 reu2 3683 rmo4 3688 rmo3f 3692 rmo3 3839 2reu1 3847 2reu4lem 4476 disjiun 5086 inxp 5780 inxpOLD 5781 xp11 6133 dfpo2 6254 fununi 6567 fun 6696 resoprab2 7477 sorpsscmpl 7679 xporderlem 8069 poxp 8070 poseq 8100 fprlem1 8242 frrlem15 9669 dfac5lem1 10033 zorn2lem6 10411 cju 12141 ixxin 13278 elfzo2 13578 xpcogend 14897 summo 15640 prodmo 15859 dfiso2 17696 issubmd 18731 gsumval3eu 19833 dvdsrtr 20304 isirred2 20357 domnmuln0 20642 isdomn3 20648 abvn0b 20769 lspsolvlem 21097 unocv 21635 pf1ind 22299 ordtrest2lem 23147 lmmo 23324 ptbasin 23521 txbasval 23550 txcnp 23564 txlm 23592 tx1stc 23594 tx2ndc 23595 isfild 23802 txflf 23950 isclmp 25053 mbfi1flimlem 25679 iblcnlem1 25745 iblre 25751 iblcn 25756 logfaclbnd 27189 ons2ind 28271 axcontlem4 29040 axcontlem7 29043 ocsh 31358 pjhthmo 31377 5oalem6 31734 cvnbtwn4 32364 superpos 32429 cdj3i 32516 13an22anass 32538 smatrcl 33953 ordtrest2NEWlem 34079 cusgr3cyclex 35330 lineext 36270 outsideoftr 36323 hilbert1.2 36349 lineintmo 36351 neibastop1 36553 bj-inrab 37128 isbasisrelowllem1 37560 isbasisrelowllem2 37561 ptrest 37820 poimirlem26 37847 ismblfin 37862 unirep 37915 inixp 37929 ablo4pnp 38081 keridl 38233 ispridlc 38271 anan 38431 disjecxrn 38597 coss1cnvres 38680 br1cosscnvxrn 38737 dfeldisj3 38978 antisymrelres 39022 prtlem70 39117 lcvbr3 39283 cvrnbtwn4 39539 linepsubN 40012 pmapsub 40028 pmapjoin 40112 ltrnu 40381 diblsmopel 41431 pell1234qrmulcl 43097 ifpan23 43701 ifpidg 43732 ifpbibib 43751 uneqsn 44266 isthincd2 49682 |
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