OLI - 1. Statements and arguments

the study of principles of correct reasoning.

reason for accepting the truth of some particular claim.

the particular claim that an argument is for

something that has to be either true or false, and can't be both.

declarative, indexical, ambiguous, non-declarative

set of statements, the reason for accepting the truth of the conclusion.

simply provides information, it doesn't attempt to establish the truth of a statement.

defines a word or phrase.

provides a mental image of the object or situation being described.

write out all the premises first, then separate the conclusion by drawing a line and setting the symbol ∴ (therefore)

any argument where the truth of the premises makes it impossible for the conclusion to be false

an argument where the truth of the premises does not guarantee the truth of the conclusion, but rather makes it highly probably to be true

arguments that are valid and have true premises

arguments that are strong and have true premises

an argument that demonstrates its conclusion by a series of logical steps