Discrete Math Intro
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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alphabet | finite set of symbols
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word | an arrangement of symbols from an alphabet
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sigma-star | all possible words over an alphabet
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function | defined from a input set: "domain" to an output set: "codomain"
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contradiction | always false
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tautology | always true
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contingency | not always true or false
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identity laws | variable wins
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domination laws | T or F wins
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universe of discourse | all possible values of the predicate
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lambda | null word
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union | AuB
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intersection | AnB
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difference | A-B
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complement | A'
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symmetric difference | AoB = [(AuB)-(AnB)]
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partition | a complete set of non-empty "disjoint" subsets
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well ordering principle | every non-empty set of positive integers has a least element
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division algorithm | for any a in Z and b in Z+, there exist q and r s.t. a=b*q+r where 0<=r<b
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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.
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.
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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Created by:
hey_bubba
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