Logic Exam #3

5 steps in finding the missing premise

1. Be sure you have an enthymeme 2. Identify the conclusion and put it in logical form 3. Identify the expressed premise and put it into logical form 4. Find a common word between the propositions 5. Form the third premise

How to craft an argument map

1. Read the argument slowly 2. Break the argument down into its steps 3. Evaluate the overall argument by evaluating each smaller argument that makes it up

Three steps in dealing with Enthymemes

1. Recognize an enthymeme is present 2. Find the missing premise 3. Test for validity

Third Order enthymeme

Conclusion unstated

First Order enthymeme

Major premise unstated

Second Order enthymeme

Minor premise unstated

Sorite

Two or more syllogisms in direct series

Epicheirema

a syllogism with an enthymeme attached to one or both of its premises to justify those premises.

Enthymeme

a syllogism with one of its three propositions implied but not stated