Assertion: tritone substitution | /r/HasAspect | the third
Facets:
Source sentences:
text: The fact that a chord and its tritone substitution have the third and seventh in common is related to the fact that in 12 equal temperament, the 7:5 and 10:7 ratios are represented by the same interval, which is exactly half of an octave (600 cents) and is its own inversion.