Composing them:
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- (2) <code>((join MG') -v- (MM γ))</code> assigns to `C1` the morphism <code>join[MG'(C1)] ∘ MM(γ*)</code>.
+ (2) ((join MG') -v- (MM γ)) assigns to `C1` the morphism join[MG'(C1)] ∘ MM(γ*).
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Next, consider the composite transformation <code>((M γ) -v- (join G))</code>.