Copi, Irving M.
Symbolic logic / Irving M. Copi. - 5th ed. - Quezon City : JMC Press, c1979. - xiii, 398 p.
Includes appendices and index.
Logic, Symbolic and mathematical
Symbolic logic / Irving M. Copi. - 5th ed. - Quezon City : JMC Press, c1979. - xiii, 398 p.
Includes appendices and index.
Logic, Symbolic and mathematical