; it's method of communication. Classical
logic was first formulate
d by the Greek philosopher Aristotle
, who developed rules of syllogistic reasoning
. In it's most simple form a syllogism
is an argument made up of 3 statemen
Major premise - "Only human beings have 46 chromosomes."
Minor premise - "This unknown blood sample has 46 chromosomes."
Conclusion - "Therefore, this blood came from a human being."
Major premise - "All riding horses have 4 legs"
Minor premise - "John owns a riding horse."
Conclusion - "Therefore, John's horse has 4 legs."
Logical arguments can also be mapped out using Venn diagrams. However, this deductive logic can be completely invalidated by the use of inductive logic.