System B

[Hughes and Cresswell, 1996]

Notes

Named for L.E.J. Brouwer [Hughes and Cresswell, 1996, p70 fn 5]

Also known as KTB. [Chellas, 1980, p131]

Characterized by reflexive symmetrical frames. [Hughes and Cresswell, 1996, p63]

Also known as Kρσ [Priest, 2001, p39]

Based on

The system B (named after Brouwer) is the result of T and the axiom B p>LMp [Hughes and Cresswell, 1996, p63]

OR

The system B is the temporal logic K sub T with the definition [ La == a & Ga & Ha ] [Rescher and Urquhart, 1971, p127]

Basis for

B + Axiom 4 = S5 [Hughes and Cresswell, 1996, p62]

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