Unit-I: Sets and Functions
Unit-II: Algebra
Unit-III: Coordinate Geometry
Unit-IV: Calculus
Unit-V: Mathematical Reasoning
Unit-VI: Statistics and Probability

Disjunction

Disjunction:

If p & q are two statements, can be combined by the word “or” to form a new sentence, is called disjunction and writing as p \cup q.

Axiom:

If  p, q are statement, then p \cup q is true if p is true or q is true and it is false when both p & q are false.

Truth table

The disjunction table

Rendered by QuickLaTeX.com

Example:

Two lines intersect at a point or they are parallel.

p: Two lines intersect at a point.

q: two lines are parallel.

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