1
by Fraïssé, R.
Published 1974
Springer Netherlands
Table of Contents: '; ... and Logical Formula -- 1.4. Logical Extension and Logical Restriction; Logical Restriction Theorem -- 1...

2
by Fitting, M., Mendelsohn, Richard L.
Published 1998
Springer Netherlands
Table of Contents: '; ....3 What Are The Formulas? -- 1.4 Aristotle’s Modal Square -- 1.5 Informal Interpretations -- 1.6 What...