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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 471 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ (𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃)))) | |
2 | an12 643 | . . 3 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) ↔ (𝜒 ∧ (𝜓 ∧ 𝜃))) | |
3 | 2 | bianass 640 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜃))) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
4 | 1, 3 | bitri 277 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) ↔ ((𝜑 ∧ 𝜒) ∧ (𝜓 ∧ 𝜃))) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 ∧ wa 398 |
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 209 df-an 399 |
This theorem is referenced by: an42 655 an4s 658 anandi 674 anandir 675 an6 1441 an33reanOLD 1480 reeanlem 3368 reu2 3719 rmo4 3724 rmo3f 3728 rmo3 3875 rmo3OLD 3876 2reu1 3884 2reu4lem 4468 disjiun 5056 inxp 5706 xp11 6035 fununi 6432 fun 6543 resoprab2 7274 sorpsscmpl 7463 xporderlem 7824 poxp 7825 dfac5lem1 9552 zorn2lem6 9926 cju 11637 ixxin 12758 elfzo2 13044 xpcogend 14337 summo 15077 prodmo 15293 dfiso2 17045 issubmd 17974 gsumval3eu 19027 dvdsrtr 19405 isirred2 19454 lspsolvlem 19917 domnmuln0 20074 abvn0b 20078 pf1ind 20521 unocv 20827 ordtrest2lem 21814 lmmo 21991 ptbasin 22188 txbasval 22217 txcnp 22231 txlm 22259 tx1stc 22261 tx2ndc 22262 isfild 22469 txflf 22617 isclmp 23704 mbfi1flimlem 24326 iblcnlem1 24391 iblre 24397 iblcn 24402 logfaclbnd 25801 axcontlem4 26756 axcontlem7 26759 ocsh 29063 pjhthmo 29082 5oalem6 29439 cvnbtwn4 30069 superpos 30134 cdj3i 30221 smatrcl 31065 ordtrest2NEWlem 31169 cusgr3cyclex 32387 dfpo2 32995 poseq 33099 fprlem1 33141 frrlem15 33146 lineext 33541 outsideoftr 33594 hilbert1.2 33620 lineintmo 33622 neibastop1 33711 bj-inrab 34249 isbasisrelowllem1 34640 isbasisrelowllem2 34641 ptrest 34895 poimirlem26 34922 ismblfin 34937 unirep 34992 inixp 35007 ablo4pnp 35162 keridl 35314 ispridlc 35352 anan 35503 br1cosscnvxrn 35718 dfeldisj3 35956 prtlem70 35997 lcvbr3 36163 cvrnbtwn4 36419 linepsubN 36892 pmapsub 36908 pmapjoin 36992 ltrnu 37261 diblsmopel 38311 pell1234qrmulcl 39458 isdomn3 39810 ifpan23 39831 ifpidg 39863 ifpbibib 39882 uneqsn 40379 |
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