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Definitions
An abstract idea or mental picture.
What is a Concept?
This Law states: Contradictories cannot at the same time be true nor at the same time be false.
What is the First Law of Opposition?
The act by which the intellect unites by affirming, or separates by denying.
What is Judgement?
These are terms that, although spelled and pronounced exactly alike, have entirely different and unrelated meanings.
What is an Equivocal Term?
The status of a term in regards to its extension.
What is Distribution?
The ability to see, hear, or become aware of something through the senses.
What is Sense Perception?
This rule addresses statements that differ in both quality and quantity.
What is the Rule of Contradiction?
The verbal expression of a judgment, or more properly defined as a sentence or statement which expresses a truth or falsity.
What is a Proposition?
Philips Screwdriver is an example of this kind of term.
What is a Univocal Term?
This is the only type of statement in which the subject-term and predicate-term are both undistributed.
What is an I Statement?
The first mental act of logic and the concept itself.
What is Simple Apprehension?
This rule addresses statements that have the same quality, but differ in quantity.
What is the Rule of Subalterns?
These are the three elements of any proposition.
What are subject-term, predicate-term, and copula?
These are the two properties of a term.
What are Signification and Supposition?
This is the only type of statement in which the subject-term and predicate-term are both distributed.
What is an E Statement?
The permanent nature of something that makes it what it is.
What is Essence?
This Law states: Subalterns may both be true or both be false. If the particular is false, the universal is false; if the universal is true, the particular is true; otherwise, their status is indeterminate.
What is the Fourth Law of Opposition?
The form a sentence must be in, in order for it to be handled logically.
What is Logical Form?
When we refer to the number of notes a concept has, we are referring to this kind of supposition.
What is Logical Supposition?
In these type of propositions the predicate-term is always undistributed.
What is Affirmative Proposition?
When the mind makes a connection between the terms in a syllogism, showing the conclusion to derive from the premises.
What is Deductive Inference?
This Law states: Subcontraries may at the same time both be true, but cannot at the same time both be false.
What is the Third Law of Opposition?
These types of sentences are not propositions.
What are questions, commands, exclamations, and greetings?
When a term refers to verbal existence, we say it is an instance of this kind of supposition.
What is Material Supposition?
This type of term is distributed in statements whose quantity is universal and undistributed in statements whose quantity is particular.
What is the Subject-Term?