Question

what do you mean by logic? 150 words​

Answer 1

Answer:

Logic is a formal system that was invented by mathematicians and philosophers to set up rules for how we should prove or disprove things. The purpose of formal logic is to help us to construct valid arguments (or proofs) and to judge whether the arguments (or proofs) of others are valid. Another major use of formal logic is computer languages and digital circuits. All electronic hardware and all computer programs are based on the rules of formal logic.

We will give a formal definition of an argument later, but in order to begin by getting a sense of the purpose of formal logic, we will give some informal examples here. An argument is simply a sequence of statements, or a sequence of sentences so that each sentence asserts a fact about something and each sentence is either true or false (for a complete explanation of what a statement is and some examples, see the next section of this lecture).

The last statement given in an argument (which always begins with the word "therefore" when we write up the argument formally) is called the conclusion, and all other statements in the argument are called the premises.

Explanation:

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