# SYNTAX introduce tail notation
       # I've recently added the / symbol to reduce the need
       # for unnecessary levels of nesting and parentheses.
       # This might be a little early to talk about it, since it
       # is most valuable for complex expressions.
[
hear] (= (unary 1 1 0) (unary 1 1 0));

[hear] (= (unary 1 1 0) / unary 1 1 0);

[hear] (< (unary 1 1 0) (unary 1 1 1 1 0));

[hear] (< (unary 1 1 0) / unary 1 1 1 1 0);

[hear] (> (unary 1 1 0) (unary 1 0));

[hear] (> (unary 1 1 0) / unary 1 0);