ECU PHIL 1500 Intro to logic
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Compound sentences | when one sentence is a component of another sentence if, whenever the first sentence is replaced by any other declarative sentence it results in a new gramatically correct sentence
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| John and Mary like cats | compound
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| The exam is cancelled | simple
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| Harry thinks the earth is flat | compound
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| Carl is going to work | simple
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| Carl is going to work and Gale is going to work | compound
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| Sentential Operators | joins together two complete sentences into another sentence
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| one-place sentenial operator | "it is not true that__"
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| two-place sentenial operator | "__and__"
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| Conjuntion | AND
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| Disjuntion | OR
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| Condiitonal | IF-THEN
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| Biconditional | IF-AND-ONLY-IF
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| Negation | NOT
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| What is the major operator in a sentence? | The operator added last in the logical construnction of the sentence is the major operator
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| How is AND symbolized? | "."
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| How is OR symbolized? | "v"
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| How is IF-THEN symbolized? | horseshoe
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| How is IF-AND-ONLY-IF symbolized? | "≡"
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| How is NOT symbolized? | ͊
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| (C∙B) | Cheney is Vice President and Bush is President
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| (GvB) | Gore or Bush is VP
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| Lieterman is president if and only if Gore is president | (L≡G)
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| If Cheney is vice president then Bush is President | (C"horseshoe"B)
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| ͊(G∙B) | Not both Gore and Bush are president
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| Both Dale and Erik are Chemistry majors | (D.E)
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| How is a Disjunction expressed? | "or", "either__or__"
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| What do prefixes like un, in, and non convey? | Negation
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| Kyle is definately unqualified | ͊K
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| If Vince drove then Willa read, and she read only if he drove | (V≡W)
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| What are the synonyms for IF used in a conditional? | when, since, and provided that
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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