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LAST_CONV                                                    (listLib)
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LAST_CONV : conv

SYNOPSIS
Computes by inference the result of taking the last element of a list.

KEYWORDS
conversion, list.

DESCRIBE
For any object language list of the form {“[x0;...x(n-1)]”} ,
the result of evaluating

   LAST_CONV “LAST [x0;...;x(n-1)]”

is the theorem

   |- LAST [x0;...;x(n-1)] = x(n-1)




FAILURE
{LAST_CONV tm} fails if {tm} is an empty list.

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