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Journal: Math. Log. Q.
Home
Index
Info
Issue
Volume
29
, Issue
11
557
--
564
Krister Segerberg
.
Arbitrary Truth-Value Functions and Natural Deduction
565
--
568
Martin Kühnrich
.
Eine äQuivalente Formalisierung der Logik von Feferman und Aczel
569
--
571
Manfred Armbrust
.
Equivalence Relations versus Unary Operations