electro-acoustic chordophones

Deductions

• electro-acoustic chordophones has quality class ⇐ (existence is a class), (electro-acoustic chordophones has quality existence)
• entity is for example electro-acoustic chordophones ⇐ (electro-acoustic chordophones is a entity), (is a is inverse of is for example)
• electro-acoustic chordophones has quality existence ⇐ (electro-acoustic chordophones is a entity), (entity has quality existence)
• electro-acoustic chordophones is a entity ⇐ (class is subclass of entity), (electro-acoustic chordophones is a class)
• family of musical instruments is for example electro-acoustic chordophones ⇐ (electro-acoustic chordophones is a family of musical instruments), (is a is inverse of is for example)
• class is for example electro-acoustic chordophones ⇐ (electro-acoustic chordophones is a class), (is a is inverse of is for example)
• electro-acoustic chordophones is a class ⇐ (family of musical instruments is subclass of class), (electro-acoustic chordophones is a family of musical instruments)