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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 472 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ (𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃)))) | |
2 | an12 644 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
3 | 2 | bianass 641 | . 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 |
Syntax hints: ↔ wb 209 ∧ wa 399 |
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 210 df-an 400 |
This theorem is referenced by: an42 656 an4s 659 anandi 675 anandir 676 an6 1442 an33reanOLD 1481 reeanlem 3318 reu2 3664 rmo4 3669 rmo3f 3673 rmo3 3818 2reu1 3826 2reu4lem 4423 disjiun 5017 inxp 5667 xp11 5999 fununi 6399 fun 6514 resoprab2 7250 sorpsscmpl 7440 xporderlem 7804 poxp 7805 dfac5lem1 9534 zorn2lem6 9912 cju 11621 ixxin 12743 elfzo2 13036 xpcogend 14325 summo 15066 prodmo 15282 dfiso2 17034 issubmd 17963 gsumval3eu 19017 dvdsrtr 19398 isirred2 19447 lspsolvlem 19907 domnmuln0 20064 abvn0b 20068 unocv 20369 pf1ind 20979 ordtrest2lem 21808 lmmo 21985 ptbasin 22182 txbasval 22211 txcnp 22225 txlm 22253 tx1stc 22255 tx2ndc 22256 isfild 22463 txflf 22611 isclmp 23702 mbfi1flimlem 24326 iblcnlem1 24391 iblre 24397 iblcn 24402 logfaclbnd 25806 axcontlem4 26761 axcontlem7 26764 ocsh 29066 pjhthmo 29085 5oalem6 29442 cvnbtwn4 30072 superpos 30137 cdj3i 30224 smatrcl 31149 ordtrest2NEWlem 31275 cusgr3cyclex 32496 dfpo2 33104 poseq 33208 fprlem1 33250 frrlem15 33255 lineext 33650 outsideoftr 33703 hilbert1.2 33729 lineintmo 33731 neibastop1 33820 bj-inrab 34369 isbasisrelowllem1 34772 isbasisrelowllem2 34773 ptrest 35056 poimirlem26 35083 ismblfin 35098 unirep 35151 inixp 35166 ablo4pnp 35318 keridl 35470 ispridlc 35508 anan 35659 br1cosscnvxrn 35874 dfeldisj3 36112 prtlem70 36153 lcvbr3 36319 cvrnbtwn4 36575 linepsubN 37048 pmapsub 37064 pmapjoin 37148 ltrnu 37417 diblsmopel 38467 pell1234qrmulcl 39796 isdomn3 40148 ifpan23 40168 ifpidg 40199 ifpbibib 40218 uneqsn 40726 |
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