I have a question about the second example of semigroups: i think it should have been written as [3 + (-2)] + (-8) = -7 and 3 + [ (-2)+ (-8)] = -7 ,,,,, so the second example is also a semigroup
your playing fast and loose. algebraic structure is closed under some operation. semigroup is algebraic structure that is associative. group is semigroup that has an identity element for all elements in the group and all elements have an inverse. monoid is a group with a unique inverse for all elements in the group.
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I have a question about the second example of semigroups:
i think it should have been written as [3 + (-2)] + (-8) = -7 and 3 + [ (-2)+ (-8)] = -7 ,,,,, so the second example is also a semigroup
here you are checking associativity for addition. For subtraction, you have to write (a-b)-c and a-(b-c)
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TQ as ur videos r in English I can understand the concepts better
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can any one tell me an example of monoid and submonoid
The positive integers (including 0) under addition. Which has a submonoid consisting of the even natural numbers.
What is your GATE rank ?
Back in 2015, it's was 8k...after that I haven't given the exam
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your playing fast and loose.
algebraic structure is closed under some operation.
semigroup is algebraic structure that is associative.
group is semigroup that has an identity element for all elements in the group and all elements have an inverse.
monoid is a group with a unique inverse for all elements in the group.
Your intro audio sounds so good, but your voiceover audio is so bad!