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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 3233 reu2 3683 rmo4 3688 rmo3f 3692 rmo3 3836 2reu1 3845 2reu4lem 4479 disjiun 5091 inxp 5812 xp11 6168 dfpo2 6294 fununi 6608 fun 6737 resoprab2 7532 sorpsscmpl 7735 xporderlem 8125 poxp 8126 poseq 8156 fprlem1 8299 frrlem15 9739 dfac5lem1 10126 zorn2lem6 10503 cju 12238 ixxin 13415 elfzo2 13717 xpcogend 15047 summo 15803 prodmo 16023 dfiso2 17861 issubmd 18914 gsumval3eu 20031 dvdsrtr 20509 isirred2 20562 domnmuln0 20871 isdomn3 20876 abvn0b 21002 lspsolvlem 21329 unocv 21893 pf1ind 22580 ordtrest2lem 23428 lmmo 23605 ptbasin 23803 txbasval 23832 txcnp 23846 txlm 23874 tx1stc 23876 tx2ndc 23877 isfild 24084 txflf 24232 isclmp 25325 mbfi1flimlem 25950 iblcnlem1 26015 iblre 26021 iblcn 26026 logfaclbnd 27458 ons2ind 28540 axcontlem4 29424 axcontlem7 29427 ocsh 31764 pjhthmo 31783 5oalem6 32140 cvnbtwn4 32770 superpos 32835 cdj3i 32922 smatrcl 34306 ordtrest2NEWlem 34432 cusgr3cyclex 35725 lineext 36656 outsideoftr 36709 hilbert1.2 36735 lineintmo 36737 neibastop1 36978 bj-inrab 37671 isbasisrelowllem1 38109 isbasisrelowllem2 38110 ptrest 38368 poimirlem26 38395 ismblfin 38410 unirep 38464 inixp 38478 ablo4pnp 38630 keridl 38782 ispridlc 38820 anan 38983 disjecxrn 39160 coss1cnvres 39255 br1cosscnvxrn 39312 dfeldisj3 39559 antisymrelres 39614 prtlem70 39730 lcvbr3 39896 cvrnbtwn4 40152 linepsubN 40625 pmapsub 40641 pmapjoin 40725 ltrnu 40994 diblsmopel 42044 pell1234qrmulcl 43696 ifpan23 44300 ifpidg 44331 ifpbibib 44350 uneqsn 44865 isthincd2 50363 |
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