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1
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What is another way to express "Only birds have feathers" is: |
| | A) | All animals with feathers are birds. |
| | B) | All birds are animals with feathers. |
| | C) | No animals with feathers are birds. |
| | D) | No birds are animals with feathers. |
| | E) | Some animals with feathers are not birds. |
| | F) | Some birds are not animals with feathers. |
| | G) | Some birds are animals with feathers. |
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2
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What are the two ways to express "A unless B"? Circle two. |
| | A) | Either A or B. |
| | B) | A and B. |
| | C) | If A then B. |
| | D) | If not B then A. |
| | E) | If A then not B. |
| | F) | Either A or not B. |
| | G) | A and not B. |
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3
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What is an example of DeMorgan's laws? |
| | A) | "If it rains, then we'll need an umbrella" is equivalent to "Either it does not rain or we'll nee3d an umbrella." |
| | B) | Either it rains or it'll snow. It did not rain, therefore it snowed. |
| | C) | All ducks are rain-lovers. All rain-lovers are swimmers. So, all ducks are swimmers. |
| | D) | "It neither rained nor snowed" is equivalent to "It did not rain and it did not snow." |
| | E) | It rained. It did not snow. So, it rained and it did not snow. |
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4
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What is equivalent to "Not both tigers and giraffes have long necks"? |
| | A) | Tigers have long necks and giraffes do not have long necks. |
| | B) | Tigers do not have long necks and giraffes do have long necks. |
| | C) | Neither tigers nor giraffes have long necks. |
| | D) | Either tigers or giraffes have long necks. |
| | E) | Either tigers do not have long necks or giraffes do not have long necks. |
| | F) | Tigers and giraffes do not have long necks. |
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5
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What is a key characteristic of a simple proposition? |
| | A) | It contains no contingent claims. |
| | B) | It is a contradiction. |
| | C) | It is a tautology. |
| | D) | It contains no logical connectives. |
| | E) | It contains more than two logical connectives. |
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6
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What is the form of transposition? |
| | A) | "If A then B" is equivalent to "If B then A." |
| | B) | "If A then B" is equivalent to "If not A then not B." |
| | C) | "If A then B" is equivalent to "If not B then not A." |
| | D) | "If A then B" is equivalent to "Either not A or B." |
| | E) | "Only A is B" is equivalent to "If not A then not B." |
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7
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"Not only vegetarians eat carrots" is equivalent to: |
| | A) | Some vegetarians are not carrot eaters. |
| | B) | Some carrot eaters are not vegetarians. |
| | C) | Some vegetarians are carrot eaters. |
| | D) | Some carrot eaters are vegetarians. |
| | E) | All carrot eaters are vegetarians. |
| | F) | All vegetarians are carrot eaters. |
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8
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Another way to express "Water is necessary for the plants to survive" is (circle all): |
| | A) | If the plant has water it will survive. |
| | B) | Either the plant has water or it will survive. |
| | C) | If the plant does not have water it will not survive. |
| | D) | IF the plant does not survive then it does not have water. |
| | E) | If the plant survives, then it has water. |
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9
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What is a proposition called that is always true: |
| | A) | A contingent claim. |
| | B) | A contradiction. |
| | C) | A valid proposition. |
| | D) | A tautology. |
| | E) | A deductive proposition. |
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10
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Circle all the examples of a compound proposition: |
| | A) | If Ron goes skiing then he'll need a pair of gloves. |
| | B) | If Ron goes skiing and gets a new pair of gloves, then he'll be happy. |
| | C) | Ron went skiing. |
| | D) | Either Ron went skiing or he worked out at the gym. |
| | E) | If Ron either goes skiing or works out at the gym, then he'll not make it to the family barbeque. |
| | F) | Ron did not go skiing. |
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11
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An example of a conjunction is: |
| | A) | Either cats or dogs bark. |
| | B) | Both cats and dogs chase mice. |
| | C) | If it's a cat, then it is not a dog. |
| | D) | Only cats are mice-chasers. |
| | E) | Cats are not dogs. |
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12
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An "either/or" proposition is called a: |
| | A) | Disjunction |
| | B) | Conjunction |
| | C) | Conditional claim |
| | D) | Hypothetical |
| | E) | Contingent claim |
| | F) | Tautology |
| | G) | Contradiction |
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13
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The antecedent of "If Mike brings his dog, then we'll go hiking" is: |
| | A) | Mike |
| | B) | His dog |
| | C) | We'll go hiking |
| | D) | Mike brings his dog |
| | E) | If |
| | F) | Then |
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14
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What is the quality of this proposition: "Some shoes are slippers." |
| | A) | Particular |
| | B) | Universal |
| | C) | Positive |
| | D) | Negative |
| | E) | Shoes |
| | F) | Slippers. |
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15
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An example of an "O" claim is: |
| | A) | Some dogs are not vicious animals. |
| | B) | Some dogs are vicious animals. |
| | C) | All dogs are vicious animals. |
| | D) | No dog is a vicous animals. |
| | E) | 45% of dogs are vicious animals. |
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16
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What does it mean for two propositions to be contradictories? |
| | A) | They are both true. |
| | B) | They are complementary. |
| | C) | The one is the obverse of the other. |
| | D) | They are both false. |
| | E) | They are opposite in truth value. |
| | F) | They are the same truth value. |
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17
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What is the obverse of "All jurors are citizens"? |
| | A) | Some jurors are not citizens. |
| | B) | Some jurors are citizens. |
| | C) | No juror is a non-citizen. |
| | D) | No juror is a citizen. |
| | E) | Some jurors are not non-citizens. |
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18
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What characterizes ssubcontraries? |
| | A) | They are opposite in truth value. |
| | B) | They are the same truth value. |
| | C) | They cannot both be true but they could both be false. |
| | D) | They cannot both be true. |
| | E) | They cannot both be false. |
| | F) | They cannot both be false but they could both be true. |
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19
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What is the term "non-surgeons" in relationship to "surgeons"? |
| | A) | They are complements. |
| | B) | They are contraries. |
| | C) | They are subalterns. |
| | D) | They are contradictories. |
| | E) | They are obverses. |
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20
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If the "A" claim "All angels have wings" is true, what do we know using the Contrary? |
| | A) | Some angels do not have wings. |
| | B) | Some angels have wings. |
| | C) | No angels have wings. |
| | D) | All non-angels have non-wings. |
| | E) | No angel has non-wings. |
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