Phiosophical Logic and Reasoning Flashcards
Define reasoning.
It is the process of forming conclusions, judgments, or inferences from facts or premises.
What is formal logic?
It is the study of deductive arguments.
What are deductive arguments?
It is an argument of which the conclusion is reached through reasoning.
What is a proposition?
Is a statement that is considered true or false.
What is the law of identity?
States that A is A, due to it’s properties, it is recognized as A.
What is the law of non-contradiction?
States that a proposition cannot be true and false at the same time.
What is the law of the excluded middle?
States that a specific proposition is either true or false, there is nothing in between; it is either A or B, there is nothing in between A and B.
What is the principle of sufficient reason?
States that everything must have a reason or a cause.
What is Ockam’s Razor?
It is a rule of thinking that suggests the most simple conclusion is the most logical.
What is an argument?
An argument consists of two premises the arguer claims to be true, followed by a conclusion.
If the conclusion of a deductive argument is logically entailed to it’s premises, it is…?
Valid.
Deductive arguments can either be…
Valid/invalid and true/untrue
What are inductive arguments?
It is an argument that makes a conclusion based on patterns.
Inductive arguments can either be….
Strong/weak
What are abductive arguments?
They are arguments that are based on a “best guess”., goes to the most plausible conclusion
