Braces

[ohhmm]

Like math systems.

Disjunction braces:

[
  Equation 1
  Equation 2
  ...
] 

Conjunction:

{
  Equation 1
  Equation 2
  ...
}

[ohhmm]

   x-1
   [
      x-1
      x-2
    ]

   x

x
Expected 1