Symbolic Logic
V
Q 21. Obversion is a valid __________inference, when applied to any standard form categorical proposition.
R
Q 22. An error in reasoning is called _________
V
Q 23. _____________ is the process of obtaining a proposition from a propositional function by substituting a constant for the variable.
P
Q 24. There is atleast one x such that x is mortal can be symbolized as
V
Q 25. Universal quantifier is symbolized as
V
Q 26. The weak implication symbolized by Ɔ is called a
V
Q 27. In the conditional , the component statement that follows ‘then’ is called
R
Q 28. The compound proposition in which the word ‘and’ is used to connect simple statements
G
Q 29. [(p . q) ↄ r] is logically equivalent to which of the following
V