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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 461 | 1 ⊢ ((𝜑 ∧ 𝜓) → (𝜓 ∧ 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ 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: ancom 463 ancom2s 648 ancom1s 651 r19.29r 3257 infsupprpr 8970 fi1uzind 13858 prmgapprmolem 16399 mat1dimcrng 21088 dmatcrng 21113 cramerlem1 21298 cramer 21302 pmatcollpwscmatlem2 21400 uhgr3cyclex 27963 3cyclfrgrrn 28067 frgrreggt1 28174 grpoidinvlem3 28285 atomli 30161 lfuhgr3 32368 cusgredgex 32370 satfun 32660 elnanelprv 32678 arg-ax 33766 bj-prmoore 34409 cnambfre 34942 prter1 36017 prjspersym 39264 mnuop3d 40614 eliuniincex 41382 eliincex 41383 dvdsn1add 42231 fourierdlem42 42441 fourierdlem80 42478 etransclem38 42564 prprelprb 43686 reupr 43691 reuopreuprim 43695 gbegt5 43933 c0snmhm 44193 pgrpgt2nabl 44421 |
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