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src/HOL/Quickcheck_Examples/Quickcheck_Nesting_Example.thy
author desharna
Sat, 28 May 2022 10:45:45 +0200
changeset 75467 9e34819a7ca1
parent 63731 9f906a2eb0e7
permissions -rw-r--r--
added lemmas Multiset.bex_{least,greatest}_element

theory Quickcheck_Nesting_Example
imports Quickcheck_Nesting
begin

datatype x = X "x list"

lemma "X a = X b"
quickcheck[exhaustive, size = 4, expect = counterexample]
oops

end
isabelle