论文信息 - Two Squares of Opposition: for Analytic and Synthetic Propositions

Two Squares of Opposition: for Analytic and Synthetic Propositions

In the paper I prove that there are two squares of opposition. The unconventional one is built up for synthetic propositions. There a,i are contrary, a,o (resp. e,i) are contradictory, e,o are subcontrary, a,e (resp. i,o) are said to stand in the subalternation.

Andrew Schumann

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