Third Act. - Logical Equivalence Flashcards
Determine the equivalences of the proposition below:
No organic compounds are metals.
Partial Conversion
Simple Inversion
Obversion
Complete Inversion
Complete Contraposition
The correct answer is:
Partial Conversion → Some metals are not organic compounds.,
Simple Inversion → Some non-organic compounds are metals.,
Obversion → All organic compounds are non-metals.,
Complete Inversion → Some non-organic compounds are not non-metals.,
Complete Contraposition → Some non-metals are not non-organic compounds.
Determine the equivalences of the proposition below:
Some college athletes are professionals.
Complete Conversion
Partial Conversion
Simple Contraposition
Obversion
Complete Inversion
The correct answer is:
Complete Conversion → Some professionals are college athletes.,
Partial Conversion → Invalid,
Simple Contraposition → Invalid,
Obversion → Some college athletes are not non-professionals.,
Complete Inversion → Invalid
Determine the equivalences of the proposition below:
No geniuses are conformists.
Complete Contraposition
Obversion
Complete Inversion
Partial Conversion
Simple Conversion
The correct answer is:
Complete Contraposition → Some non-conformists are not non-genius.,
Obversion → All geniuses are non-conformists.,
Complete Inversion → Some non-geniuses are not non-conformists.,
Partial Conversion → Some conformists are not genius.,
Simple Conversion → No conformist is a genius.
Determine the equivalences of the proposition below:
Some clergy are not abstainers.
Simple Contraposition
Obversion
Simple Conversion
Complete Inversion
Complete Contraposition
The correct answer is:
Simple Contraposition → Some non-abstainers are clergy.,
Obversion → Some clergy are non-abstainers.,
Simple Conversion → Invalid,
Complete Inversion → Invalid,
Complete Contraposition → Some non-abstainers are not non-clergy.
