Matters of Logic
The thing an argument is composed of.
What is a statement?
The two types of arguments.
What are deductive and inductive arguments?
The "then" part of a conditional statement.
What is a consequent?
A defect in an argument.
What is a fallacy?
The three main different branches of Ethics.
What are normative, applied, and metaethics?
The statements that support the conclusion.
What are premises?
The two characteristics that Deductive arguments can be checked for.
What is validity and soundness?
The argument structure of Modus Tollens.
What is: "If A, then B. Not B. Not A"?
The three main groups of informal fallacies.
What are fallacies of Irrelevance, Ambiguity, and Unwarranted Assumptions?
The two types of morality claims.
What are descriptive & prescriptive claims?
These words often help identify arguments, but are not always present or accurate.
What are indicator words?
The Inductive argument stand-in for soundness.
What is cogency?
The two types of conditions or "causes".
What is neccessary and sufficient condition?
The fallacy that denies the "If" portion of the argument.
What is denying the antecedent?
The four basic forms of categorical statements.
What is: All S are P, No S are P, Some S are P, Some S are not P?
This is a useful tool when you need to restructure a complex argument into a simpler format.
What is diagramming arguments?
The strength of an Inductive argument with only 50% to guarantee conclusion.
What is a weak argument?
The default soundness or cogency of invalid deductive and weak inductive arguments respectively.
What is unsound and uncogent?
The fallacy that draws a conclusion from something that is inconclusive.
What is Appeal to Ignorance?
The inductive argument that makes sense, but doesn't use the right premises.
What is a strong, uncogent argument?
This is a method of persuasion that works independently of emotion or feeling. Rational people are often either able to accept it or deny it.
What is logic?
The four different types of statements.
What are categorical, conditional, disjunctive, and conjunctive?
The 5 deductive argument forms that are always valid.
What are Modus Ponens, Modus Tollens, Hypothetical Syllogism, Disjunctive Syllogism, and Constructive Dilemma?
The two fallacies that focus on distorting or moving away from the original argument rather than answering it.
What is a Straw Man and Red Herring fallacy.
These images are sent with the weekly SI Info emails.
What are memes.