Nuprl Lemma : sdata-pair-has-atom
∀[d1,d2:SecurityData]. ∀[b:Atom1].  uiff(b#<d1, d2>:SecurityData;b#d1:SecurityData ∧ b#d2:SecurityData)
Proof
Definitions occuring in Statement : 
sdata-pair: <d1, d2>
, 
sdata: SecurityData
, 
free-from-atom: a#x:T
, 
atom: Atom$n
, 
uiff: uiff(P;Q)
, 
uall: ∀[x:A]. B[x]
, 
and: P ∧ Q
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
uiff: uiff(P;Q)
, 
and: P ∧ Q
, 
uimplies: b supposing a
, 
prop: ℙ
, 
all: ∀x:A. B[x]
, 
top: Top
, 
ifthenelse: if b then t else f fi 
, 
btrue: tt
, 
implies: P 
⇒ Q
, 
bool: 𝔹
, 
unit: Unit
, 
it: ⋅
, 
bfalse: ff
Latex:
\mforall{}[d1,d2:SecurityData].  \mforall{}[b:Atom1].
    uiff(b\#<d1,  d2>:SecurityData;b\#d1:SecurityData  \mwedge{}  b\#d2:SecurityData)
Date html generated:
2016_05_17-AM-11_39_12
Last ObjectModification:
2015_12_29-PM-06_45_56
Theory : event-logic-applications
Home
Index