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## Ignore words

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genus

term that is more general, broad, or abstract that the original and includes it

Intension

the sum of all common attributes denoted by the term

Extension

the sum of all the individual objects described by it

real disagreement

actual inconsistency between two statements: they cannot both be true at the same time

categorical statement

statement that affirms or denies something about a given subject

persuasive definition

definition that aims to persuade the listener one way or another

verbal disagreement

misunderstanding due to differing definitions for one or more words

logic

science and art of reasoning well

stipulative definition

definition of a new word or existing word that is applied in a new way

Ambiguous

word that has more than one definition

precising definition

definition that seeks to make more precise what was vague or fuzzy

quality

positive or negative nature of its claim about the subject (affirmative or negative)

predicate

describes or asserts something about the subject

quantity

the scope of its claim about the extension of the subject (universal or particular)

subject

the term being described or about which something is being asserted

Contradiction

Two statements are in blank if and only if they always have opposite truth values

theoretical definition

definitions that are scientific or philosophical in nature

mutually exclusive

terms do not overlap

definition

statement that gives the meaning of a term

self-supporting statements

a statement whose truth value can be determined from the statement itself

vague

word whose extent is unclear

self-contradiction

statement that is false due to its logical nature

supported statement

a statement whose truth value depends on evidence or information from outside itself

contrary

Two statements are blank if and only if they can both be false but cannot both be true.

subcontraries

Two statements are blank if and only if both can be true but both cannot be false.

subimplication

relationship between a universal and particular statement of the same quality in which the truth of the universal necessitates the truth of the particular

superimplication

the relationship between a universal and particular statement of the same quality in which the falsity of particular necessitates the falsity of the universal

deduction

reasoning with certainty from premises to conclusions

induction

reasoning with probability from examples or experience to general rules

Law of Noncontradiction

a statement can not be both true and false

informal logic

deals with operations of thinking that are indirectly related to reasoning

Law of Identity

if a statement is true then it is true

implication

the truth of one statement requires the truth of another

independent

the truth or falsity of one has no effect on the truth or falsity of the other

logically equivalent

two statements that imply one another

Law of the Excluded Middle

any statement is either true or false

Syllogism

type of deductive argument in which the conclusion connects on category with another, with one conclusion, two premises, and three terms