src/FOL/ex/IffOracle.thy
changeset 25940 6942f3c5dec8
parent 23153 3cc4a80c4d30
child 25946 8ceff6c1f2a8
equal deleted inserted replaced
25939:ddea202704b4 25940:6942f3c5dec8
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    33 
    34 subsection {* Oracle as low-level rule *}
    34 subsection {* Oracle as low-level rule *}
    35 
    35 
    36 ML {* iff_oracle @{theory} 2 *}
    36 ML {* iff_oracle @{theory} 2 *}
    37 ML {* iff_oracle @{theory} 10 *}
    37 ML {* iff_oracle @{theory} 10 *}
    38 ML {* #der (Thm.rep_thm it) *}
       
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    38 
    40 text {* These oracle calls had better fail. *}
    39 text {* These oracle calls had better fail. *}
    41 
    40 
    42 ML {*
    41 ML {*
    43   (iff_oracle @{theory} 5; error "?")
    42   (iff_oracle @{theory} 5; error "?")