Original: Every human is an animal.
Step 1: Make animal the new subject.
Step 2: Make human the new predicate.
Step 3: Use some, because only some animals are human.
Valid converse: Some animals are humans.
The new claim does not extend beyond what the original can justify.
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First worked conversion
Simple Conversion of Propositions: Definition, Method and Rules
Original: Every human is an animal.
Step 1: Make animal the new subject.
Step 2: Make human the new predicate.
Step 3: Use some, because only some animals are human.
Valid converse: Some animals are humans.
The new claim does not extend beyond what the original can justify.