what are frequently used tautology

A compound statement is said to be a tautology, if it is always true for all possible combinations of the truth values of its components. A tautology is also called a theorem or a logically valid statement patter..

The number that occurs most frequently in a data set is called ________. => median or mean or range or mode..

Uses of Sulphur - The most important use of sulphur is in the manufacture of sulphur compounds, such as sulphuric acid, sulphites, sulphates, and sulphur dioxide. Medicinally, it has assumed importance because of its widespread use in sulpha drugs and in many skin oint..

Venn diagrams are used very frequently on problems of set theory. Venn diagrams can also be used for deciding the truthfulness of statemen..

The appearance of new needs forces the organism to put in additional efforts to fulfil the need. It may become necessary for the organism to put a particular part of its body into more and more frequent use or less and less frequent use. This idea came to be..

1) Ammonium nitrate is used in the manufacture of fire works. 2) It is used in the preparation of explosives. 3) It is used as a fertilise..

1) Ammonium carbonate is used as a smelling salt. 2) It is used in baking power. 3) It finds use in dyeing industry. 4) It is used as a laboratory reage..

It is used in the manufacture of paints and lacquer..

1. Calcium oxide is used in preparing slaked lime, milk of lime, limewater, lime mortar etc. 2. It is used in cement and glass industry. 3. Used as drying agent for gases and even liquids. 4. Used to make soda lime. It is obtained by treating quicklime with a..

1) They are used in the form of their alloys such as misch metal or pyrophoric alloys. 2) Their alloys are used in making traces bullets, cigarette and gas lighters. 3) Magnesium mixed with 3% misch metal is used in making jet engine parts. 4) The compounds of lanthan..