src/HOL/Library/FinFun.thy
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     1 (* Author: Andreas Lochbihler, Uni Karlsruhe *)
     1 (* Author: Andreas Lochbihler, Uni Karlsruhe *)
     2 
     2 
     3 header {* Almost everywhere constant functions *}
     3 header {* Almost everywhere constant functions *}
     4 
     4 
     5 theory FinFun
     5 theory FinFun
     6 imports Card_Univ
     6 imports Cardinality
     7 begin
     7 begin
     8 
     8 
     9 text {*
     9 text {*
    10   This theory defines functions which are constant except for finitely
    10   This theory defines functions which are constant except for finitely
    11   many points (FinFun) and introduces a type finfin along with a
    11   many points (FinFun) and introduces a type finfin along with a