John Halleck's Data for Ken Pledger's Modal Logic system 4s:


# Ken Pledger's system 4s (S4.2)
=include s3

Lp => LLp

MML => MLMML
MLMML => ML
ML => MLL
MLL => LMML
LMML => LML
LML => LMLL
LMLL => LLML


=

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This snapshot was last modified on August 23rd, 2000
And the underlying file was last modified on July 11th, 2000