Chapter 5, Level 1 Self Quiz: G

. The converse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. No greedy politicians are people likely to go to prison.
Converse: No people likely to go to prison are greedy politicians.

. The obverse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. No greedy politicians are people likely to go to prison.
Obverse: All greedy politicians are people likely to go to prison.

. The contrapositive is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. No greedy politicians are people likely to go to prison.
Contrapositive: Some non-people likely to go to prison are not non-greedy politicians.

. The converse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. All public holidays are days when banks close.
Converse: Some days when banks close are public holidays.

. The obverse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. All public holidays are days when banks close.
Obverse: All public holidays are non-days when banks close.

. The contrapositive is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. All public holidays are days when banks close.
Contrapositive: All days when banks close are public holidays.

.

The obverse is given for the following proposition.

Determine whether the subsequent immediate inference is valid or invalid. No ice cream toppings are diet-busters.

Obverse: All ice cream toppings are non-diet-busters.

.

The contrapositive is given for the following proposition.

Determine whether the subsequent immediate inference is valid or invalid. No ice cream toppings are diet-busters.

Contrapositive: Some non-diet-busters are not non-ice cream toppings.

. The converse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. All French fries are grease-laden products.
Converse: Some grease-laden products are French fries.

.

The obverse is given for the following proposition.

Determine whether the subsequent immediate inference is valid or invalid. All French fries are grease-laden products.

Obverse: No French fries are non-grease-laden products.

.

The contrapositive is given for the following proposition.

Determine whether the subsequent immediate inference is valid or invalid. All French fries are grease-laden products.

Contrapositive: All non-grease-laden products are non-French fries.

. The converse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. Some tattoos are great works of art.
Converse: Some great works of art are tattoos.

. The obverse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. Some tattoos are great works of art.
Obverse: Some tattoos are not non-great works of art.

. The contrapositive is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. Some tattoos are great works of art.
Contrapositive: Some non-great works of art are non-tattoos.

. The converse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. No good deeds are acts left unrewarded.
Converse: No acts left unrewarded are good deeds.

. The obverse is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. No good deeds are acts left unrewarded.
Obverse: No good deeds are non-acts left unrewarded.

. The contrapositive is given for the following proposition.
Determine whether the subsequent immediate inference is valid or invalid. No good deeds are acts left unrewarded.
Contrapositive: Some non-acts left unrewarded are not non-good deeds.

Back to top