src/CTT/Bool.thy
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     1 (*  Title:      CTT/Bool.thy
     1 (*  Title:      CTT/Bool.thy
     2     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     2     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     3     Copyright   1991  University of Cambridge
     3     Copyright   1991  University of Cambridge
     4 *)
     4 *)
     5 
     5 
     6 header {* The two-element type (booleans and conditionals) *}
     6 section {* The two-element type (booleans and conditionals) *}
     7 
     7 
     8 theory Bool
     8 theory Bool
     9 imports CTT
     9 imports CTT
    10 begin
    10 begin
    11 
    11