Put the core patterns together:
Figure one: A ⇒ B and B ⇒ C; therefore A ⇒ C.
Figure two: the same consequent is approached affirmatively and negatively; the extremes are separated.
Figure three: a common antecedent has two different consequents; a restricted overlap is expressed.
The word “if” alone never identifies the figure. The position and relation of the common component across the premises do.
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Conjunctive Syllogisms with Conditional Propositions
Put the core patterns together:
Figure one: A ⇒ B and B ⇒ C; therefore A ⇒ C.
Figure two: the same consequent is approached affirmatively and negatively; the extremes are separated.
Figure three: a common antecedent has two different consequents; a restricted overlap is expressed.
The word “if” alone never identifies the figure. The position and relation of the common component across the premises do.