el : int -> 'a list -> 'a
STRUCTURE
SYNOPSIS
Extracts a specified element from a list.
DESCRIPTION
el i [x1,...,xn] returns xi. Note that the elements are numbered starting from 1, not 0.
FAILURE
Fails with el if the integer argument is less than 1 or greater than the length of the list.
EXAMPLE
- el 3 [1,2,7,1];
> val it = 7 : int

SEEALSO
HOL  Kananaskis-13