Introduction to Logic Chapter 6 key terms Masterbooks

Applicable everywhere

• Universal

• Invariant

• Omni-present

• Abstract

Able to exist or exert power at all locations in space at the same time

• Universal

• Omni-present

• Invariant

• Abstract

If a proposition is true, then the negation is not true OR if a proposition is not true, then the negation is true (A proposition always has the opposite truth value of its negation)

Example: In exodus 16:4 the Lord promises to send bread from heaven, and to test the people. God knows either they will obey him or not obey him. It is either this OR that.

• Law of non-contradiction

• Law of the excluded middle

• Law of identity

The opposite proposition formed by adding, "it is not the case that" that the original proposition

• Absolute

• Abstract

• Negation

• Conceptual

The proposition and the negative cannot both be true

Example: Proposition= The sky is blue

Negation= It is not the case that the sky is blue

Both of these cannot be true, therefore this argument is false

• Law of the excluded middle

• Law of non-contradiction

• Law of identity

If a proposition is true, then the proposition is true

• Law of the excluded middle

• Law of non-contradiction

• Law of identity

Not changing over time

• conceptual

• abstrac

• invariant

• universal

A synonym for abstract; existing within the mind such as a thought of idea.

• Absolute

• Conceptual

• negation

• universal

Existing in thought as an idea but having no physical or material existence

• Absolute

• Negation

• Abstract

• Omni-present

Independent of arbitrary standards; being without exception or qualification

If something is ________, then it is free from restriction, exception, or qualification. It is true on its own.

• Abstract

• Invariant

• Negation

• Absolute