Mathematics
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Constantly confused's user avatar
Constantly confused's user avatar
Constantly confused
  • Member for 8 years, 8 months
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About

An idiot who has always been hopeless in maths - this website is a lifesaver for someone like me.

I would like to sincerely thank everyone who has helped me with/answered my questions on MathSE. Your help is really appreciated.

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All Questions Answers
Score Newest
question
11
Proving the inverse of a bijection is bijective
Nov 6, 2015
question
6
Questions on how to prove that a set of connectives is NOT functionally complete
Jan 31, 2018
question
5
Why is the left-intro rule in Sequent Calculus equivalent to elimination rule in Natural Deduction?
May 28, 2019
question
5
Show that if $\langle f,g\rangle=\langle k,h\rangle$ then $f=k$ and $g=h$
Oct 3, 2019
question
4
Why isn't the empty set an element of $A \times B$, while it is a relation from $A$ to $B$?
Jun 20, 2015
question
4
Circular definition in proof
Jan 20, 2016
question
4
Show that if $T$ is a Skolem theory in $L$, then $T$ is a Skolem theory in $L'$
Jun 1, 2019
question
4
If $g\circ f$ is monic, so is $f$
Sep 3, 2019
question
4
Confused: examples of homomorphism from $(\Bbb N,+)$ to $(\Bbb Z,+)$ and from $(\Bbb N,<)$ to $(\Bbb Z,<)$
Sep 8, 2019
question
4
Show that an arrow $1\to a$ whose domain is a terminal object must be monic
Sep 25, 2019
Top network posts
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11
What is the truth value of the proposition 'All unicorns are beautiful'?
6
What the Preface paradox tells us about the principle of explosion
5
Why are referring and predicating distinct from illocutionary acts?

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