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AutomataTheory
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At:
hd
reverse
1
1.
T:
Type
2.
l:
T*
3.
||l|| > 0
hd(rev(l)) = l[(||l||-1)]
By:
ListInd 2
Generated subgoals:
1
||nil|| > 0
hd(rev(nil)) = nil[(||nil||-1)]
T
2
3.
u:
T
4.
v:
T*
5.
||v|| > 0
hd(rev(v)) = v[(||v||-1)]
||u.v|| > 0
hd(rev(u.v)) = (u.v)[(||u.v||-1)]
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