#[derive(Clone, Eq, Hash, PartialEq)]
pub enum StatementKind
{
	Axiom,
	Lemma,
	Conjecture,
}

pub struct Statement<'input>
{
	pub kind: StatementKind,
	pub original_text: &'input str,
	pub formula: foliage::Formula,
}

pub enum Block<'input>
{
	Statement(Statement<'input>),
	Whitespace(&'input str),
}

pub struct Project<'input>
{
	pub blocks: Vec<Block<'input>>,
}