dest_arb : term -> hol_type

SYNOPSIS
Extract the type of an instance of the ARB constant.

LIBRARY

DESCRIBE
If M is an instance of the constant ARB with type ty, then dest_arb M equals ty.

FAILURE
Fails if M is not an instance of ARB.

COMMENTS
When it succeeds, an invocation of dest_arb is equivalent to type_of.

SEEALSO  mk_arb,   is_arb

HOL  Kananaskis 0