Hypothetical Propositions (Types)

Vocabulary flashcards covering types and components of hypothetical propositions from the notes.

Hypothetical propositions

Propositions that state conditions, causation, or opposition between two judgments or statements.

Conditional proposition

A hypothetical proposition expressing a necessary relation between the antecedent (cause) and the consequent (effect), usually introduced by if-then.

Antecedent

The 'if' clause; the condition or cause in a conditional proposition.

Consequent

The 'then' clause; the effect or result in a conditional proposition.

If clause

The antecedent, or the condition in a conditional proposition.

Then clause

The consequent, or the result in a conditional proposition.

Truth conditions of conditional propositions

A conditional proposition is true if both the antecedent and consequent are true and there is a valid sequence; false if the antecedent is false or if there is no valid sequence.

Disjunctive proposition

A hypothetical proposition introduced by 'either or' expressing opposition between two elements; provides alternatives that may be mutually exclusive.

Either or

The phrase that introduces a disjunction between two alternatives.

Mutually exclusive

Alternatives that cannot both be true at the same time.

Conjunctive proposition

A proposition consisting of two (or more) categorical propositions linked together by 'and'.

Conjunction

The connective 'and' joining two propositions.