Chapter 14 Review Flashcards
The compound proposition “A or not-A” is always true. Or, “Either A is true or not-A is true.” A proposition always has the opposite truth value of its negation.
Law of the Excluded Middle
To provide reasons for proposition.
justify
God always thinks correctly, and the Bible commands us to think like Him (Isaiah 55:7-8) and emulate His ___. (Ephesians 5:1)
character
The study of the principles of correct reasoning which does not focus on the structure of an argument.
informal logic
A logical ___ is a common error in reasoning.
fallacy
having supreme power or authority and not required to answer to any higher authority
sovereign
Inclined or prejudiced to a particular position
biased
A proposition in an argument that is taken as an accepted fact.
premise
That which shows itself to be wrong. A self-refuting argument is one in which the conclusion is inconsistent with one or more of the premises.
self-refuting
Opinions formed from evidence; what people reason to be true or likely true from evidence or reason.
inferences
The art or skill of speaking or writing effectively and persuasively (regardless of considerations of logic or truth).
rhetoric
Having confidence in something not perceived with the senses.
faith
A declaration of the meaning of a word or phrase that does not already have an established one.
stipulative definition
A series of propositions where the truth of one is said to follow from the others
argument
A positive mental attitude toward a proposition; something a person accepts as true
belief
An informal argument is cogent if the conclusion is likely to be true.
cogent
The quality of being unclear in meaning; the capacity to be understood in two or more ways
ambiguilty
The compound proposition “A and not-A” is always false. Or, “You cannot have A and not-A at the same time and in the same sense.”
Law of Non-contradiction
An argument with an unstated premise or an unstated conclusion
enthymeme
The negation of a proposition, or the combination of the proposition and its negation. “A and not-A” is a contradiction.
contradiction
to not have a specific reason for a belief or action; not having a reason
arbitrary
Existing in thought as an idea but having no physical or material existence.
abstract
“A thing is itself” or “if A then A.”
Law of Identity
A fallacious definition, not found in any dictionary, that is intended to persuade someone.
persuasive definition
Conjecture, guess, or hypothesis, without sufficient supporting evidence.
speculation
The disclosure of information from God to man
revelation (divine)
A categorical argument containing two premises and one conclusion that uses words like “all, some, no, not.”
syllogism
A truth claim, may be true or false
proposition
Independent of arbitrary standards; being without exception or qualification
absolute
An argument in which the conclusion is certainly true if the premises are.
deductive argument