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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 4452 disjiun 5061 inxp 5775 xp11 6127 dfpo2 6248 fununi 6561 fun 6690 resoprab2 7476 sorpsscmpl 7678 xporderlem 8068 poxp 8069 poseq 8099 fprlem1 8241 frrlem15 9673 dfac5lem1 10037 zorn2lem6 10415 cju 12147 ixxin 13307 elfzo2 13608 xpcogend 14928 summo 15671 prodmo 15893 dfiso2 17731 issubmd 18766 gsumval3eu 19871 dvdsrtr 20340 isirred2 20393 domnmuln0 20682 isdomn3 20688 abvn0b 20809 lspsolvlem 21136 unocv 21656 pf1ind 22342 ordtrest2lem 23187 lmmo 23364 ptbasin 23561 txbasval 23590 txcnp 23604 txlm 23632 tx1stc 23634 tx2ndc 23635 isfild 23842 txflf 23990 isclmp 25083 mbfi1flimlem 25708 iblcnlem1 25774 iblre 25780 iblcn 25785 logfaclbnd 27204 ons2ind 28286 axcontlem4 29055 axcontlem7 29058 ocsh 31373 pjhthmo 31392 5oalem6 31749 cvnbtwn4 32379 superpos 32444 cdj3i 32531 13an22anass 32552 smatrcl 33989 ordtrest2NEWlem 34115 cusgr3cyclex 35373 lineext 36313 outsideoftr 36366 hilbert1.2 36392 lineintmo 36394 neibastop1 36596 bj-inrab 37289 isbasisrelowllem1 37726 isbasisrelowllem2 37727 ptrest 37995 poimirlem26 38022 ismblfin 38037 unirep 38090 inixp 38104 ablo4pnp 38256 keridl 38408 ispridlc 38446 anan 38611 disjecxrn 38788 coss1cnvres 38883 br1cosscnvxrn 38940 dfeldisj3 39187 antisymrelres 39242 prtlem70 39358 lcvbr3 39524 cvrnbtwn4 39780 linepsubN 40253 pmapsub 40269 pmapjoin 40353 ltrnu 40622 diblsmopel 41672 pell1234qrmulcl 43309 ifpan23 43913 ifpidg 43944 ifpbibib 43963 uneqsn 44478 isthincd2 49935 |
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