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Mirrors > Home > MPE Home > Th. List > pm3.22 | Structured version Visualization version GIF version |
Description: Theorem *3.22 of [WhiteheadRussell] p. 111. (Contributed by NM, 3-Jan-2005.) (Proof shortened by Wolf Lammen, 13-Nov-2012.) |
Ref | Expression |
---|---|
pm3.22 | ⊢ ((𝜑 ∧ 𝜓) → (𝜓 ∧ 𝜑)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 22 | . 2 ⊢ ((𝜓 ∧ 𝜑) → (𝜓 ∧ 𝜑)) | |
2 | 1 | ancoms 462 | 1 ⊢ ((𝜑 ∧ 𝜓) → (𝜓 ∧ 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 |
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 210 df-an 400 |
This theorem is referenced by: ancom 464 ancom2s 650 ancom1s 653 r19.29r 3167 infsupprpr 9098 fi1uzind 14028 prmgapprmolem 16577 mat1dimcrng 21328 dmatcrng 21353 cramerlem1 21538 cramer 21542 pmatcollpwscmatlem2 21641 uhgr3cyclex 28219 3cyclfrgrrn 28323 frgrreggt1 28430 grpoidinvlem3 28541 atomli 30417 lfuhgr3 32748 cusgredgex 32750 satfun 33040 elnanelprv 33058 xpord2pred 33472 xpord3pred 33478 arg-ax 34291 bj-prmoore 34970 cnambfre 35511 prter1 36579 prjspersym 40095 mnuop3d 41503 eliuniincex 42273 eliincex 42274 dvdsn1add 43098 fourierdlem42 43308 fourierdlem80 43345 etransclem38 43431 prprelprb 44585 reupr 44590 reuopreuprim 44594 gbegt5 44829 c0snmhm 45089 pgrpgt2nabl 45318 |
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