ontology: test

[Term]
id: X:1
name: x1
equivalent_to: X:2
intersection_of: Y:1
intersection_of: R:1 Z:1


[Term]
id: X:2
name: x2
equivalent_to: X:1

[Term]
id: Y:1
name: y1

[Term]
id: Z:1
name: z1

[Typedef]
id: R:1
name: r1

