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'ello fellas!


Dec
4
revised How to prove $A\cap B \subseteq \overline{A \triangle B}$
edited body
Dec
1
revised How to “make up a formula” of a sum?
$1+\cdots+n$ instrad of $1+...+n$
Dec
1
revised How to “make up a formula” of a sum?
deleted 1 characters in body
Nov
27
revised Why are these two expressions different in this induction problem?
edited body
Nov
26
revised How can I arrange this expression to get the form of another?
deleted 4 characters in body
Nov
25
revised How to use mathematical induction with inequalities?
grammar
Sep
4
revised Is thickness supposed to affect a box's dimensions?
added 152 characters in body
Jul
6
revised How to confirm if my explicit formula is right?
Added initial values
Jul
5
revised Proving that an expression divides a number
edited title
Jul
1
revised How to prove if a function is bijective?
deleted 3 characters in body
Jul
1
revised How to prove if a function is bijective?
added 64 characters in body
Jan
13
revised Angle for pointing at a certain point in 2d space
edited tags