Asim, a student in this class, knows how to write programs in Java. Everyone who knows how to write programs in Java can get a high-paying job. Therefore, someone in this class can get a high-paying job
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Let p(x) be "x is a student", q(x) means "x knows how to code in java", r(x) means "x can get a high-paying job"
We have next statements: ,
we have to check whether the statement is true
lets assume it is false, then , but from the first two statements we can tell that b
. So, we came to contradiction, which means our statement is false, which means there is someone in the class who can get a high-paying job