System S4.3.2

[Zeman, 1973, p253]


Based on

System S4.3.2 is S4 plus the Axiom M17 [(Lp=>q)+(MLq>p)] [Zeman, 1973, p253]

Basis for

System K3.2 is S4.3.2 plus the axiom MS [LMp=>MLp] [Zeman, 1973, p269]

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