Assertion: chord's triad | /r/HasProperty | built
Facets:
value: by stacking thirds
type: MANNER
Source sentences:
text: Triads (or any other tertian chords) are built by superimposing every other note of a diatonic scale (e.g., standard major or minor scale).
text: major triad is the building block, the basic recipe, for the Major Chord.
text: Triads are built by stacking thirds.