Logical Operators
Rules of Inference
Rules of Inference Continued
Rules of Replacement
Rules of Replacement Continued
100

Which Logical Operator is represented by a dot?

What is a conjunction.

100

p > q      p   .:  q

What is Modes Ponens (M.P)

100

p v q    ~p  .: q

What is Disjunctive Syllogism (D.S)

100

~(p * q) = (~p v ~q)

~(p v q) = (~p * ~q)

What is De Morgan's Theorems (De M.)

100

[p v (q v r)] = [(p v q) v r]

[p * (q * r)] = [(p * q) * r]

What is Association (Assoc.)

200

Which logical operator is represented by a "v"

What is a disjunction.

200

p  > q    ~q   .: ~p

What is Modes Tollens (M.T.)

200

(p > q) * (r > s)   p v r   .: q v s

What is a Constructive Dilemma (C.D)

200

(p v q) = (q v p)

(p * q) = (q * p)

What is Commutation (Com.)

200

(p > q) = (~q > ~p)

What is Transposition (Trans.)

300

Which logical operator is represented by the horseshoe?

What is a conditional.

300

p >  q    q > r  .:  p > r

What is a Hypothetical Syllogism (H.S)

300

p     .: p v q

What is Addition (Add.)

300

p = ~~p

What is Double Negation (D.N.)

300

(p > q) = (~p v ~q)

What is Material Implication (Impl.)

400

Which logical operator is read as "and"

What is a conjunction

400

p   q   .: p*q

What is a Conjunction (Conj.)

400

p * q    .: p

What is Simplification (Simp.)

400

p = ( p v p)

p = (p * p)

What is Tautology (Taut.)

400

(p=q) = [(p > q) * (q > p)]

(p=q) = [(p * q) v (~p * ~q)]

What is Material Equivalence (Equiv.)
500

Which logical operator is read as if/then

What is a conditional

500

p > q   .: p > (p*q)

What is Absorption (Abs.)

500

Please tell me the syllogism for Modus Ponens

p > q   p   .: q

500

[(p * q) > r]  = [p > (q > r)]

What is Exportation (Exp.)

500

[p * (q v r)] = [(p * q) v (p * r)]

[p v (q * r)] = [(p v q) * (p v r)]

What is Distribution (Dist.)

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