src/ZF/Univ.thy
changeset 58871 c399ae4b836f
parent 58860 fee7cfa69c50
child 60770 240563fbf41d
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58870:e2c0d8ef29cb 58871:c399ae4b836f
     7 
     7 
     8 NOTE: univ(A) could be a translation; would simplify many proofs!
     8 NOTE: univ(A) could be a translation; would simplify many proofs!
     9   But Ind_Syntax.univ refers to the constant "Univ.univ"
     9   But Ind_Syntax.univ refers to the constant "Univ.univ"
    10 *)
    10 *)
    11 
    11 
    12 header{*The Cumulative Hierarchy and a Small Universe for Recursive Types*}
    12 section{*The Cumulative Hierarchy and a Small Universe for Recursive Types*}
    13 
    13 
    14 theory Univ imports Epsilon Cardinal begin
    14 theory Univ imports Epsilon Cardinal begin
    15 
    15 
    16 definition
    16 definition
    17   Vfrom       :: "[i,i]=>i"  where
    17   Vfrom       :: "[i,i]=>i"  where