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2. (15 points) For each relation, indicate whether the relation is: • reflexive, anti-reflexive, or neither...
3. (12 pts) Determine whether the following binary relation is: (1) reflexive, (2) symmetric, (3) antisymmetric,...
3. (12 pts) Determine whether the following binary relation is: (1) reflexive, (2) symmetric, (3) antisymmetric, (4) transitive. a) The relation Ron Z where aRb means a = b. Circle your answers. (4 pts) Ris Reflexive? Symmetric? Antisymmetric? Transitive? Yes or No Yes or No Yes or No Yes or No b) The relation R on the set of all people where aRb means that a is taller than b. Circle your answers. (4 pts) Ris Reflexive? Symmetric? Antisymmetric? Transitive?...
For each of the following relations, determine whether it is reflexive, anti-reflexive, symmetric, anti-symmetric, or transitive....
For each of the following relations, determine whether it is reflexive, anti-reflexive, symmetric, anti-symmetric, or transitive. Briefly explain your answers for each one. (a) (2 points) The domain is all CPUs. For any CPUs x and y, xRy if x has at least as many cores as y. (b) (2 points) The domain is all people. For any people x and y, xRy if x and y are friends. Assume that everyone is his/her own friend, and that if A...
A topological ordering of G (V, E) is: O An irrefelexive, transitive, anti-symmetric binary relation on V such that E CR ● A reflexive, transitive, symmetric binary relation on V such that E gR O A t...
A topological ordering of G (V, E) is: O An irrefelexive, transitive, anti-symmetric binary relation on V such that E CR ● A reflexive, transitive, symmetric binary relation on V such that E gR O A total ordering on V such that E CR. A partial ordering on V such that E C R
A topological ordering of G (V, E) is: O An irrefelexive, transitive, anti-symmetric binary relation on V such that E CR ● A reflexive, transitive, symmetric...
Show work/explain please! 1. (15) Characterize the following relations in terms of whether they are reflexive,...
Show work/explain please!
1. (15) Characterize the following relations in terms of whether they are reflexive, irreflexive, symmetric, anti- symmetric, transitive, complete, any sort of ordering relation, and/or an equivalence relation. a. R CRX R with R = {(x,y)|x<y>} b. RCRXR with R= {(x, y)|x3 = y3} C. RSRXR with R = {(x, y) x2 + y2}
(1) For each of the following relations on R, is the relation reflexive? Is it symmetric?...
(1) For each of the following relations on R, is the relation reflexive? Is it symmetric? Is it transitive? (a)r1={(x, y)∈ R × R | xy= 0} (b) r2={(x, y)∈R×R|x2+y2= 1} (c)r3={(x, y)∈R×R||x−y|<5}
Relations - No Proofs! Determine (no proof needed!) whether each of the following relations R, S,...
Relations - No Proofs! Determine (no proof needed!) whether each of the following relations R, S, T on the set of real numbers is reflexive, symmetric, antisymmet- ric, and/or transitive. a) « Ry iff r - y is positive: reflexive: symmetric: anti-symmetric: transitive: b) Sy iff r = 2y reflexive: symmetric: anti-symmetric: transitive: c) <Ty iff zy < 0: reflexive: symmetric: anti-symmetric: transitive:
Show your work, please 3. Relations - No Proofs! Determine (no proof needed!) whether each of...
Show your work, please
3. Relations - No Proofs! Determine (no proof needed!) whether each of the following relations R, S, T on the set of real numbers is reflexive, symmetric, antisymmet- ric, and/or transitive. a) x Ry iff 3 - y is positive: reflexive: symmetric: anti-symmetric: transitive: b) xSy iff 2 = 2y: reflexive: symmetric anti-symmetric: transitive: c) Ty iff zy 30: reflexive: symmetric: anti-symmetric transitive:
Determine whether the relation R on the set of all real numbers is reflexive, symmetric,...
Determine whether the relation R on the set of all real numbers is reflexive, symmetric, antisymmetric, and/or transitive, where (x, y) ∈ R if and only if a) x + y = 0 b) x= ±y. c) x-y is a rational number. d) = 2y. e) xy ≥ 0. f) xy = 0. g) x=l. h) r=1 or y = 1
Question 17 5 pts Let the relation Ron {1,2,3} be given by the following table: R...
Question 17 5 pts Let the relation Ron {1,2,3} be given by the following table: R 1 2 3 3 X X X Check all properties that this relation has transitive symmetric reflexive anti-symmetric
For each problem, 3 points will be awarded for the quality of your mathematical writing. Some...
For each problem, 3 points will be awarded for the quality of your mathematical writing. Some things to keep in mind here: Make the logical structure of your proof is clear. Is it a proof by contradiction? Contra- positive? If your are proving an equivalence, each direction should be clear Use correct, consistent, and appropriate notation. Define all of the variables you are using. » Write legibly Highlight essential equations or parts of the proof by placing them centered on...
3. (12 pts) Determine whether the following binary relation is: (1) reflexive, (2) symmetric, (3) antisymmetric, (4) transitive. a) The relation Ron Z where aRb means a = b. Circle your answers. (4 pts) Ris Reflexive? Symmetric? Antisymmetric? Transitive? Yes or No Yes or No Yes or No Yes or No b) The relation R on the set of all people where aRb means that a is taller than b. Circle your answers. (4 pts) Ris Reflexive? Symmetric? Antisymmetric? Transitive?...
A topological ordering of G (V, E) is: O An irrefelexive, transitive, anti-symmetric binary relation on V such that E CR ● A reflexive, transitive, symmetric binary relation on V such that E gR O A total ordering on V such that E CR. A partial ordering on V such that E C R
A topological ordering of G (V, E) is: O An irrefelexive, transitive, anti-symmetric binary relation on V such that E CR ● A reflexive, transitive, symmetric...
Show work/explain please!
1. (15) Characterize the following relations in terms of whether they are reflexive, irreflexive, symmetric, anti- symmetric, transitive, complete, any sort of ordering relation, and/or an equivalence relation. a. R CRX R with R = {(x,y)|x<y>} b. RCRXR with R= {(x, y)|x3 = y3} C. RSRXR with R = {(x, y) x2 + y2}
Relations - No Proofs! Determine (no proof needed!) whether each of the following relations R, S, T on the set of real numbers is reflexive, symmetric, antisymmet- ric, and/or transitive. a) « Ry iff r - y is positive: reflexive: symmetric: anti-symmetric: transitive: b) Sy iff r = 2y reflexive: symmetric: anti-symmetric: transitive: c) <Ty iff zy < 0: reflexive: symmetric: anti-symmetric: transitive:
Show your work, please
3. Relations - No Proofs! Determine (no proof needed!) whether each of the following relations R, S, T on the set of real numbers is reflexive, symmetric, antisymmet- ric, and/or transitive. a) x Ry iff 3 - y is positive: reflexive: symmetric: anti-symmetric: transitive: b) xSy iff 2 = 2y: reflexive: symmetric anti-symmetric: transitive: c) Ty iff zy 30: reflexive: symmetric: anti-symmetric transitive:
Question 17 5 pts Let the relation Ron {1,2,3} be given by the following table: R 1 2 3 3 X X X Check all properties that this relation has transitive symmetric reflexive anti-symmetric
For each problem, 3 points will be awarded for the quality of your mathematical writing. Some things to keep in mind here: Make the logical structure of your proof is clear. Is it a proof by contradiction? Contra- positive? If your are proving an equivalence, each direction should be clear Use correct, consistent, and appropriate notation. Define all of the variables you are using. » Write legibly Highlight essential equations or parts of the proof by placing them centered on...
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