Recent content by nahuel_pelado

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    Graduate Is there a connection between Borges' 'El Aleph' and Aleph0, C, and F?

    This is the question: Define Aleph0, C and F (this three are cardinal numbers) and also I want to know what is the relationship between them. Explanation --> Aleph0 = Aleph-naught = Aleph zero = Aleph null Explanation --> C = cardinality of the continuum = power of the continuum There is...
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    Undergrad Is a Matrix Invertible in Modular Arithmetic if det(A) and n are Coprime?

    This is the question: What must fulfill a matrix to be invertible in module Zn? Demonstrate. Z refers to integers. I really appreciate that someone could help me with this because i couldn't find strong information about it. I think that considering A as a matrix... the det(A) must be coprime...