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At:
list iso23111 1. 'a : S
2. x' : 'a List
f:('a), n:.
<n:. if n<||x'|| then x'[n] else arb('a) fi ,||x'||>
=
<m:. if m<n then f(m) else @x:'a. true fi ,n>
By:
((DTerm (n.if n<||x'|| then x'[n] else arb('a) fi ) 0) THEN (DTerm ||x'|| 0))
THEN
Simp
THEN
StrongAuto
THEN
Id
THEN
Simp
THEN
StrongAuto
<n:. if n<||x'|| then x'[n] else arb('a) fi ,||x'||>
=
<m:. if m<||x'||
<m:. then if m<||x'|| then x'[m] else arb('a) fi
<m:. else @x:'a. true <m:. fi
,||x'||>
('a)
4 steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html