PHI-105 Homework #6

The contrapositive of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.All jewels are rare objects.Contrapositive: All non-rare objects are non-jewels. A. Valid B. Invalid

A

The contrapositive of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.All laptops are computers.Contrapositive: All non-computers are non-laptops. A. Valid B. Invalid

A

The contrapositive of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.All workers are diligent people.Contrapositive: All non-diligent people are non-workers. A. Valid B. Invalid

A

The contrapositive of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some friends are not helpful people.Contrapositive: Some non-helpful people are not non-friends. A. Valid B. Invalid

A

The contrapositive of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some hotdogs are not beef products.Contrapositive: Some non-beef products are not non-hotdogs. A. Valid B. Invalid

A

The converse is given for the following proposition. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.No good deeds are selfish acts.Converse: No selfish acts are good deeds. A. Valid B. Invalid

A

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.No puppies are trained pets.Converse: No trained pets are puppies. A. Valid B. Invalid

A

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.No salmon are animals.Converse: No animals are salmon. A. Valid B. Invalid

A

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some actors are award winners.Converse: Some award winners are actors. A. Valid B. Invalid

A

The obverse is given for the following proposition. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.No good deeds are selfish acts.Obverse: All good deeds are non-selfish acts. A. Valid B. Invalid

A

The obverse is given for the following proposition. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some tattoos are colorful designs.Obverse: Some tattoos are not non-colorful designs. A. Valid B. Invalid

A

The obverse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.All jewels are rare objects.Obverse: No jewels are non-rare objects. A. Valid B. Invalid

A

The obverse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.All workers are diligent people.Obverse: No workers are non-diligent people. A. Valid B. Invalid

A

The obverse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.No puppies are trained pets.Obverse: All puppies are non-trained pets. A. Valid B. Invalid

A

The obverse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some computers are laptops.Obverse: Some computers are not non-laptops. A. Valid B. Invalid

A

The obverse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some friends are not helpful people.Obverse: Some friends are non-helpful people. A. Valid B. Invalid

A

The obverse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation. Some hot dogs are not beef products. Obverse: Some hot dogs are non-beef products. A. Valid B. Invalid

A (Obversion is valid on all four proposition types.)

The contrapositive is given for the following proposition. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.No good deeds are selfish acts.Contrapositive: No non-selfish acts are non-good deeds. A. Valid B. Invalid

B

The contrapositive is given for the following proposition. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some tattoos are colorful designs.Contrapositive: Some non-colorful designs are non-tattoos. A. Valid B. Invalid

B

The contrapositive of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.No puppies are trained pets.Contrapositive: No non-trained pets are non-puppies. A. Valid B. Invalid

B

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation. Some hot dogs are not beef products. Converse: Some beef products are not hot dogs. A. Valid B. Invalid

B

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.All jewels are rare objects.Converse: All rare objects are jewels. A. Valid B. Invalid

B

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.All workers are diligent people.Converse: All diligent people are workers. A. Valid B. Invalid

B

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some computers are not laptops.Converse: Some laptops are not computers. A. Valid B. Invalid

B

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretation.Some friends are not helpful people.Converse: Some helpful people are not friends. A. Valid B. Invalid

B

The converse of the given proposition is provided. Determine whether the subsequent immediate inference is valid or invalid under the modern interpretationAll tigers are mammalsConverse: All mammals are tigers. A. Valid B. Invalid

B