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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 474 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ (𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃)))) | |
| 2 | an12 658 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
| 3 | 2 | bianass 655 | . 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 |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 |
| This theorem is used by: an42 670 an4s 673 anandi 689 anandir 690 13an22anass 1379 an6 1474 reeanlem 3234 reu2 3683 rmo4 3688 rmo3f 3692 rmo3 3836 2reu1 3845 2reu4lem 4479 disjiun 5091 inxp 5809 xp11 6167 dfpo2 6298 fununi 6613 fun 6742 resoprab2 7537 sorpsscmpl 7748 xporderlem 8137 poxp 8138 poseq 8168 fprlem1 8311 frrlem15 9754 dfac5lem1 10195 zorn2lem6 10572 cju 12309 ixxin 13486 elfzo2 13789 xpcogend 15120 summo 15876 prodmo 16096 dfiso2 17940 issubmd 18994 gsumval3eu 20111 dvdsrtr 20591 isirred2 20644 domnmuln0 20954 isdomn3 20959 abvn0b 21086 lspsolvlem 21413 unocv 21979 pf1ind 22666 ordtrest2lem 23514 lmmo 23691 ptbasin 23889 txbasval 23918 txcnp 23932 txlm 23960 tx1stc 23962 tx2ndc 23963 isfild 24170 txflf 24318 isclmp 25411 mbfi1flimlem 26036 iblcnlem1 26101 iblre 26107 iblcn 26112 logfaclbnd 27542 ons2ind 28654 axcontlem4 29538 axcontlem7 29541 ocsh 31878 pjhthmo 31897 5oalem6 32254 cvnbtwn4 32884 superpos 32949 cdj3i 33036 smatrcl 34421 ordtrest2NEWlem 34547 cusgr3cyclex 35890 lineext 36821 outsideoftr 36874 hilbert1.2 36900 lineintmo 36902 neibastop1 37127 bj-inrab 37820 isbasisrelowllem1 38258 isbasisrelowllem2 38259 ptrest 38517 poimirlem26 38544 ismblfin 38559 unirep 38628 inixp 38642 ablo4pnp 38794 keridl 38946 ispridlc 38984 anan 39147 disjecxrn 39324 coss1cnvres 39419 br1cosscnvxrn 39476 dfeldisj3 39723 antisymrelres 39778 prtlem70 39894 lcvbr3 40060 cvrnbtwn4 40316 linepsubN 40789 pmapsub 40805 pmapjoin 40889 ltrnu 41158 diblsmopel 42208 pell1234qrmulcl 43841 ifpan23 44445 ifpidg 44476 ifpbibib 44495 uneqsn 45010 isthincd2 50514 |
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