src/HOL/AxClasses/Tutorial/Product.thy
author nipkow
Mon Oct 21 09:50:50 1996 +0200 (1996-10-21)
changeset 2115 9709f9188549
parent 1247 18b1441fb603
child 8920 af5e09b6c208
permissions -rw-r--r--
Added trans_tac (see Provers/nat_transitive.ML)
     1 (*  Title:      HOL/AxClasses/Tutorial/Product.thy
     2     ID:         $Id$
     3     Author:     Markus Wenzel, TU Muenchen
     4 
     5 Define a 'syntactic' class "product" that is logically equivalent to
     6 "term".
     7 *)
     8 
     9 Product = HOL +
    10 
    11 axclass
    12   product < term
    13 
    14 consts
    15   "<*>" :: "['a::product, 'a] => 'a"      (infixl 70)
    16 
    17 end