sound

Deductions

• aspect of sound is for example sound ⇐ (sound is a aspect of sound), (is a is inverse of is for example)
• sound is subclass of absence ⇐ (silence is subclass of absence), (silence is opposite of sound)
• sound is a aspect of sound ⇐ (silence is a aspect of sound), (silence is opposite of sound)
• silence is opposite of sound ⇐ sound is opposite of silence