1.
Natural Deduction: The Logical Basis Of Axiom Systems
by John Mueller Anderson, Henr...
ISBN: 9781258637866
List Price: $41.95
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Fragments of Parmenides The Fragments
by Sider, David, Johnstone, He...
ISBN: 9780929524214
List Price: $7.95
7.
Natural Deduction: The Logical Basis Of Axiom Systems
by John Mueller Anderson, Henr...
ISBN: 9781258629922
List Price: $56.95