Zarnick on truth- and satisfactoriness-preservation in Fiat-p and Est-p patterns of inference. Truth-functionality and other types of functionality.

3.1 Nonpersistent sentences and preferred modelSep 15, 2007 ... (Fiat(p)∧Est(p → q) → Fiat(q). no. Fulda [18]. ((p → s)∧(p → q)) → (q → s) ... (Fiat(p∧q)∧Est(p) → Fiat(q) yes. Fulda [18] ...
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