Grammar Composition System

/src/grammars/test-grm/glbtypes-inv.tdl

animal := *top*.

flyer := animal & "comment".

swimmer := animal.

invertebrate := animal.

vertebrate := animal.

bee := flyer & invertebrate.

fish := swimmer & vertebrate.

cod := fish & "comment".

guppy := fish.

mammal := vertebrate.

dog := mammal.

cat := mammal & swimmer.

whale := mammal & swimmer.