src/HOL/Fun.thy
changeset 14565 c6dc17aab88a
parent 13910 f9a9ef16466f
child 15111 c108189645f8
equal deleted inserted replaced
14564:3667b4616e9a 14565:c6dc17aab88a
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    50 text{*compatibility*}
    50 text{*compatibility*}
    51 lemmas o_def = comp_def
    51 lemmas o_def = comp_def
    52 
    52 
    53 syntax (xsymbols)
    53 syntax (xsymbols)
       
    54   comp :: "['b => 'c, 'a => 'b, 'a] => 'c"        (infixl "\<circ>" 55)
       
    55 syntax (HTML output)
    54   comp :: "['b => 'c, 'a => 'b, 'a] => 'c"        (infixl "\<circ>" 55)
    56   comp :: "['b => 'c, 'a => 'b, 'a] => 'c"        (infixl "\<circ>" 55)
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    56 
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    57 constdefs
    59 constdefs
    58   inj_on :: "['a => 'b, 'a set] => bool"         (*injective*)
    60   inj_on :: "['a => 'b, 'a set] => bool"         (*injective*)