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Proofgold Proof

pf
Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ι be given.
Assume H0: atleastp x0 x1.
Assume H1: atleastp x1 x2.
Apply H0 with atleastp x0 x2.
Let x3 of type ιι be given.
Assume H2: inj x0 x1 x3.
Apply H1 with atleastp x0 x2.
Let x4 of type ιι be given.
Assume H3: inj x1 x2 x4.
Let x5 of type ο be given.
Assume H4: ∀ x6 : ι → ι . inj x0 x2 x6x5.
Apply H4 with λ x6 . x4 (x3 x6).
Apply inj_comp with x0, x1, x2, x3, x4 leaving 2 subgoals.
The subproof is completed by applying H2.
The subproof is completed by applying H3.