Slide 2:
Definition of Logic Aldrich – Logic as the Art of reasoning Whately – “Logic is an Art and Science of Reasoning” Creighton - “Logic is a Science that deals with the operations of the mind in its search for truth”
Slide 3:
Definition of Logic Its aim is the attainment of truth Its
subject matter is the operations of the mind It is a science
Slide 4:
What is science? why logic is called a science? The intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment. it should give us certain and correct knowledge it should be systematic and organized body of knowledge it should deal with a part of the universe It has all this three qualities
Slide 5:
What are the operations of the human mind? Reasoning Judgment Conception Conception Function of the human mind by which a mental image is formed in the mind Idea/concept When an idea is expressed in language it is called ‘term”
Slide 6:
Operations of the mind Judgment An idea is either affirmed or denied of another Eg :- Rose is red When a judgment is expressed in language it is called Proposition
Slide 7:
Operation of the human mind Reasoning Mental process of passing from two known judgment to a new judgment therefore Feather gravitate Feather is an object All objects gravitate When reasoning is expressed in words it is called a argument