apg_morphism apg_morphism_compose

apg_typeside t
apg_instance G3 : s3
apg_instance G2 : s2
apg_instance G1 : s1
apg_morphism h' : G2 -> G3
apg_morphism h : G1 -> G2
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apg_morphism [h ; h'] : G1 -> G3
	
Composition of morphisms in the category of APGs.

Appears in:

APG

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