A biconditional is the conjunction of a conditional statement and its converse.
It is the declaration that a boolean expression is about to be performed.
A conditional statement is used to show the cause for a reaction. This is an if then type of statement. The most common word that is used to signal a conditional statement is the word if.
The part of a conditional statement that follows the word 'then' is the conclusion.
A conditional statement is indeed a statement that can be put in the form "if A, then B". The only time this conditional statement is false is when both A is true and also B is false.Read more: http://wiki.answers.com/What_is_a_conditional_statement#ixzz1lda5tB6E
If and only if
A biconditional is the conjunction of a conditional statement and its converse.
Disjunction
It is the biconditional.
Converse
Switching the hypothesis and conclusion of a conditional statement.
true
always true
always true
This is not always true.
none
this statement is called the converse.. ex: if the sky is blue, then the sun is out. converse: if the sun is out, then the sky is blue.
A conditional statement is true if, and only if, its contrapositive is true.