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A comment on Are unsound type systems wrong?. Parent comment

Re:Are unsound type systems wrong? by jonnycomputer on Saturday April 07, 2018 @10:08AM (#16780758)
fol logic is sound and complete (and effective). second order logic is not.
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Re:Are unsound type systems wrong? by mcguire on Saturday April 07, 2018 @01:55PM (#16781819)
For reference: https://en.wikipedia.org/wiki/G%C3%B6del%27s_completeness_th...
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