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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 3672 rmo4 3677 rmo3f 3681 rmo3 3828 2reu1 3836 2reu4lem 4464 disjiun 5074 inxp 5780 inxpOLD 5781 xp11 6133 dfpo2 6254 fununi 6567 fun 6696 resoprab2 7479 sorpsscmpl 7681 xporderlem 8070 poxp 8071 poseq 8101 fprlem1 8243 frrlem15 9672 dfac5lem1 10036 zorn2lem6 10414 cju 12146 ixxin 13306 elfzo2 13607 xpcogend 14927 summo 15670 prodmo 15892 dfiso2 17730 issubmd 18765 gsumval3eu 19870 dvdsrtr 20339 isirred2 20392 domnmuln0 20677 isdomn3 20683 abvn0b 20804 lspsolvlem 21132 unocv 21670 pf1ind 22330 ordtrest2lem 23178 lmmo 23355 ptbasin 23552 txbasval 23581 txcnp 23595 txlm 23623 tx1stc 23625 tx2ndc 23626 isfild 23833 txflf 23981 isclmp 25074 mbfi1flimlem 25699 iblcnlem1 25765 iblre 25771 iblcn 25776 logfaclbnd 27199 ons2ind 28281 axcontlem4 29050 axcontlem7 29053 ocsh 31369 pjhthmo 31388 5oalem6 31745 cvnbtwn4 32375 superpos 32440 cdj3i 32527 13an22anass 32548 smatrcl 33956 ordtrest2NEWlem 34082 cusgr3cyclex 35334 lineext 36274 outsideoftr 36327 hilbert1.2 36353 lineintmo 36355 neibastop1 36557 bj-inrab 37250 isbasisrelowllem1 37685 isbasisrelowllem2 37686 ptrest 37954 poimirlem26 37981 ismblfin 37996 unirep 38049 inixp 38063 ablo4pnp 38215 keridl 38367 ispridlc 38405 anan 38570 disjecxrn 38747 coss1cnvres 38842 br1cosscnvxrn 38899 dfeldisj3 39146 antisymrelres 39201 prtlem70 39317 lcvbr3 39483 cvrnbtwn4 39739 linepsubN 40212 pmapsub 40228 pmapjoin 40312 ltrnu 40581 diblsmopel 41631 pell1234qrmulcl 43301 ifpan23 43905 ifpidg 43936 ifpbibib 43955 uneqsn 44470 isthincd2 49924 |
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