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src/HOL/Quickcheck_Examples/Quickcheck_Nesting_Example.thy
author paulson <lp15@cam.ac.uk>
Fri, 02 May 2025 16:25:38 +0100
changeset 82595 c0587d661ea8
parent 63731 9f906a2eb0e7
permissions -rw-r--r--
Tweaking the ordered semiring type classes

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