LOGIC

It is a study of methods and principles used to distinguish correct reasoning from incorrect reasoning

• Statistics

• Logic

• Algebra

• Geometry

It is a declarative sentence that is either true or false, but not both.

• Statement

• Proposition

• Conjunction

• Argument

Which of the following is NOT an example of proposition?

• Welcome to the Philippines!

• Luzon is an island in the Philippines.

• Rodrigo Duterte is the President of the Philippines.     

• Cardo Dalisay is the new PNP Chief Director General. 

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

Which of the following best describes a proposition?

• It is an imperative sentence which is both true and false.

• It is an exclamatory sentence which is both true and false.

• It is an interrogative sentence where it is either true or false.

• It is a declarative sentence where the truth value is either true or false.

Tags

CCSS.L.11-12.6

CCSS.L.8.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.9-10.2D

Which of the following is an example of simple proposition?

• If x+4 = 3, then x = -1

• Right angle measures 90 degrees.

• Either 2 or 1 is the value of x in the equation x²+2x-2.

• All of these

Which of the following is an example of compound proposition?

• If a polygon has 3 sides, then it is a triangle.

• It is not the case that  is a rational number.

• Either Mathematics is fun and interesting, or it is boring.

• All of these

Which of the following is NOT a form of conditional proposition?

• Contranegative

• Contrapositive     

• Converse             

• Inverse

Which of the following pairs is INCORRECT?

• Negation: -           

• Conjunction: ^     

• Disjunction: v       

What is the inverse of this conditional statement “If a triangle has equal angles, then it is an equiangular triangle”?

• If a triangle is an equiangular, then it has equal angles.

• If a triangle is not an equiangular, then it has no equal angles.

• If a triangle has no equal angles, then it is not an equiangular triangle.

• All of these