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Intervals

P1
1:1.00
M2
1:1.12
m3
1:1.19
P4
1:1.33
P5
1:1.50
M6
1:1.68
m7
1:1.78

Roman Numerals

Numeral	i^-	ii^-	III^Δ	IV^⁷	v^-	vi^ø	VII^Δ
Degree	1	2	3	4	5	6	7
Name	Min 7	Min 7	Maj 7	Dom 7	Min 7	Half-Dim 7	Maj 7

Diatonic Modes

Child Chords

Name	Intervals
Minor Triad	P1			m3				P5
Minor 7th	P1			m3				P5			m7
Minor 6th	P1			m3				P5		M6
Suspended 2nd	P1		M2					P5
Dominant 7th Suspended 4th	P1					P4		P5			m7
Suspended 4th	P1					P4		P5
Minor 9	P1		M2	m3				P5			m7
Minor 11	P1			m3		P4		P5			m7
Minor 13	P1			m3				P5		M6	m7

Child Scales

Name	Intervals
Egyptian	P1		M2			P4		P5			m7
Ritusen	P1		M2			P4		P5		M6
Minor Pentatonic	P1			m3		P4		P5			m7