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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 469 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ (𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃)))) | |
| 2 | an12 651 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
| 3 | 2 | bianass 648 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃))) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| 4 | 1, 3 | bitri 276 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 207 ∧ wa 396 |
| 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 208 df-an 397 |
| This theorem is referenced by: an42 663 an4s 666 anandi 682 anandir 683 an6 1453 reeanlem 3210 reu2 3666 rmo4 3671 rmo3f 3675 rmo3 3821 2reu1 3829 2reu4lem 4451 disjiun 5060 inxp 5774 xp11 6126 dfpo2 6247 fununi 6560 fun 6689 resoprab2 7475 sorpsscmpl 7677 xporderlem 8067 poxp 8068 poseq 8098 fprlem1 8240 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 20681 isdomn3 20687 abvn0b 20808 lspsolvlem 21135 unocv 21655 pf1ind 22341 ordtrest2lem 23186 lmmo 23363 ptbasin 23560 txbasval 23589 txcnp 23603 txlm 23631 tx1stc 23633 tx2ndc 23634 isfild 23841 txflf 23989 isclmp 25082 mbfi1flimlem 25707 iblcnlem1 25773 iblre 25779 iblcn 25784 logfaclbnd 27203 ons2ind 28285 axcontlem4 29054 axcontlem7 29057 ocsh 31372 pjhthmo 31391 5oalem6 31748 cvnbtwn4 32378 superpos 32443 cdj3i 32530 13an22anass 32551 smatrcl 33980 ordtrest2NEWlem 34106 cusgr3cyclex 35364 lineext 36304 outsideoftr 36357 hilbert1.2 36383 lineintmo 36385 neibastop1 36587 bj-inrab 37280 isbasisrelowllem1 37717 isbasisrelowllem2 37718 ptrest 37986 poimirlem26 38013 ismblfin 38028 unirep 38081 inixp 38095 ablo4pnp 38247 keridl 38399 ispridlc 38437 anan 38602 disjecxrn 38779 coss1cnvres 38874 br1cosscnvxrn 38931 dfeldisj3 39178 antisymrelres 39233 prtlem70 39349 lcvbr3 39515 cvrnbtwn4 39771 linepsubN 40244 pmapsub 40260 pmapjoin 40344 ltrnu 40613 diblsmopel 41663 pell1234qrmulcl 43300 ifpan23 43904 ifpidg 43935 ifpbibib 43954 uneqsn 44469 isthincd2 49927 |
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