TY  - BOOK
AU  - Bello.Aga 
TI  - Introduction to logic.
SN  - 9780306994
AV  - BC108.B41 
PY  - 2007///
CY  - Ibadan.
PB  - Foludex press LTD
N1  - Includes index; Contents: What is logic -- Informal arguments -- Informal fallacies -- Problem-solving -- Categorical propositions -- Categorical syllogism -- Relational propositions -- Simple and compound propositions -- propositional logic -- Basic valid argument-form and logically equivalent statement-forms -- Predicate logic -- Validity in predicate logic -- Invalidity in predicate logic -- Inductive arguments
ER  -