The first expression is Contingency.
The second expression is Tautology.
The third expression is Contingency.
What is Truth table?
A truth table is a mathematical table used in logic—specifically in connection with Boolean algebra.
What is Contingency?
A sentence is called a contingency if its truth table contains at least one 'T' and at least one 'F. '
What is Contradiction?
A statement is called a contradiction if the final column in its truth table contains only 0's.
What is Tautology?
A tautology is a statement that is always true.
The first expression is Contingency.
The second expression is Tautology.
The third expression is Contingency.
Learn more about truth table here:
https://brainly.com/question/5856588
#SPJ1
