Nuprl Lemma : logic4

[P,Q:].  ((P)  P  Q)


Proof




Definitions occuring in Statement :  uall: [x:A]. B[x] prop: not: A implies: P  Q
Definitions :  implies: P  Q member: t  T uall: [x:A]. B[x] not: A false: False prop:
Lemmas :  not_wf
\mforall{}[P,Q:\mBbbP{}].    ((\mneg{}P)  {}\mRightarrow{}  P  {}\mRightarrow{}  Q)


Date html generated: 2013_09_05-AM-11_12_31
Last ObjectModification: 2013_06_03-AM-11_00_48

Home Index