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Proofgold Proof

pf
Let x0 of type ι be given.
Let x1 of type ι be given.
Assume H0: nSubq x0 x1.
Apply notE with Subq x0 x1.
Apply unknownprop_8efb54a14a50175fa427d69d3cc2af26935471fd6eb083f153e714db7cb80a86 with x0, x1.
The subproof is completed by applying H0.