1) Determine whether the relation R on the set of all Web pages reflexive, symmetric, antisymmetric, and/or transitive, where (a, b) E R if and only if I) everyone who has visited Web page a has also visited Web page b. II) there are no common links found on both Web page a and Web page b. III) there is at least one common link on Web page a and Web page b.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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1) Determine whether the relation R on the set of all Web pages is
reflexive, symmetric, antisymmetric, and/or transitive, where (a, b) ER if and only
if
I) everyone who has visited Web page a has also visited Web
II) there are no common links found on both Web page a and Web page b.
page
b.
III) there is at least one common link on Web page a and Web
page
IV) there is a Web page that includes links to both Web page a and Web page b.
2) An alarm system has three different control panels in three different
locations. To enable the system, switches in at least two of the panels must be in
the on position. If fewer than two are in the on position, the system is disabled.
Design a circuit to control the switches.
Transcribed Image Text:1) Determine whether the relation R on the set of all Web pages is reflexive, symmetric, antisymmetric, and/or transitive, where (a, b) ER if and only if I) everyone who has visited Web page a has also visited Web II) there are no common links found on both Web page a and Web page b. page b. III) there is at least one common link on Web page a and Web page IV) there is a Web page that includes links to both Web page a and Web page b. 2) An alarm system has three different control panels in three different locations. To enable the system, switches in at least two of the panels must be in the on position. If fewer than two are in the on position, the system is disabled. Design a circuit to control the switches.
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