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Is this an invalid or valid syllogism?

All flies are winged creatures.
All butterflies are winged creatures.
Therefore, all butterflies are flies.

Is this an invalid or valid syllogism?

© BrainMass Inc. brainmass.com June 20, 2018, 10:49 pm ad1c9bdddf

Solution Preview

Invalid. The category of winged creatures can include both all flies and all butterflies without these classes ...

Solution Summary

Syllogisms are assessed in terms of validiity.

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