Chp-2 Flashcards
Rule of ___ consist in interchanging the antecedent and the consequent by negating both of them
Transposition
Rule of addition is based on the basis of truth table of
Disjunction
The ____ can be applied to the part of the statement
Rules based on rule of replacement
The method of ___ is used only when it’s conclusion of an argument is an implicit statement
Conditional proof
In the method of___ be assume the negation of the conclusion as an additional premise
Indirect proof
The rule of ____ states that if an implication is true and its consequent is false then its and antecedent must also be false
M.T
The method of___ is based on the principle of reductio-ad-absurdum
Indirect proof
The rule of disjunctive syllogism can be applied to the part of the statement
False
When the denial of the conclusion leads to contradiction, the argument is proved to be valid and method of indirect proof
True
Conditioner proof decides whether the arguments valid or invalid
False
Indirect proof is constructed for establishing the validity of arguments
Ture
Conditioner proof is a mechanical procedure
False
The rule of inference can be applied to the whole statement only
True
The elementary valid arguments forms are called the rule of replacement
False
Elementary valid argument forms – antecident of the conclusion is assumed
Conditioner proof – principle of reductio-ad-absurdum
Indirect proof – rule based on rule of replacement
De morgan’s law – rule of inference
Elementary valued argument forms – rule of insurance
Conditional proof – antecedent of the conclusion is assumed
Indirect proof – principle of reductio-ad-absurdum
De morgan’s law – rule based on rule of replacement