statements that always have the same truth value

A declarative sentence which is true or false but not both is called a proposition. Truth value is the truthfulness of statement. If a statement is true its truth value is T, if a statement is false then its ..

A declarative sentence which is true or false but not both is called a propositi..

If two or more statements are combined by the use of words like 'AND', 'OR', 'IF AND ONLY IF ', then the resulting statement is called a compound statement. A table is indicating the truth values of one or more statements is called a..

A table is indicating the truth values of one or more statements is called a truth tabl..

For all values of q , cos (- q ) = cos q and sin (- q ) = -sin ..

m ). Molar volume of all gases under normal pressures (1 atm) and normal temperature (273K) have a value of 22.4 litre and contains 6.023 x 10 2 3 molecules. The number is called the Avogadro's number or Avogadro's constant and is denoted by N A . Avogadro's law is very useful in chemi..

If p and q are two propositions, then the compound proposition, "if p then q" is known as conditional statement or implication. It is denoted by p q. p is called the antecedent (or hypothesis). q is called the consequent (or conclusion). Note: p q can be read as (i) If p then q (ii) ..

The absolute value of a number is positive. Is the statement is true or false? => True or False..

Conditional and Biconditional Statements - It is already mentioned in earlier classes that compound statements of different propositions can be obtained by conjunction, disjunction and negation of propositions. We just recall these three basic logical connectivities and their ..

Choose the correct statement. => The absolute value of a number is its distance from 1 on a number line. or The opposite of | d | is always negative. or The equation | x | = - 9 has two solutions 9 and - 9. or | - a | = - a..