Nuprl Lemma : pi-subst_wf

[x,t:Name]. ∀[p:pi_term()].  (pi-subst(t;x;p) ∈ pi_term())


Proof




Definitions occuring in Statement :  pi-subst: pi-subst(t;x;p) pi_term: pi_term() name: Name uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T pi-subst: pi-subst(t;x;p)

Latex:
\mforall{}[x,t:Name].  \mforall{}[p:pi\_term()].    (pi-subst(t;x;p)  \mmember{}  pi\_term())



Date html generated: 2016_05_17-AM-11_25_19
Last ObjectModification: 2015_12_29-PM-06_52_52

Theory : event-logic-applications


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