Two Statements Are ………………… When Their Material Equivalence Is a Tautology

Q14: If the specific form of a given

Q15: …………………. statements have the same meaning and

Q16: ' The conjunction of p with the

Q17: The negaton of A V B is

Q18: p v q) is logically equivalent to

Q20: Any argument that results from the substitution

Q21: An argument form is valid if and

Q22: ' A and B will not both

Q23: …………………………… can be defined as an array

Q24: In case an argument is produced by