Foundation of the standard library (Language Platform PRD §28.2, LP-800):
booleans, ordering, optional values, results, pairs, and equality helpers.
Every type here is an ordinary checked family: the trusted core stays small
and usability comes from the library (§28.1).
A decision. Distinct from Nat so a decision cannot be mistaken for a count.
9constructor StdTrueThe compiler supplied declaration spans and resolved links from this source snapshot. This page does not assert that this file belongs to a checked closure.