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theorem BFO.MaterialEntityOrSite.materialEntity.injEq
theorem BFO.MaterialEntityOrSite.materialEntity.injEq
: ∀ (a a_1 : j12bzjgj.BFO.MaterialEntity),
  (j12bzjgj.BFO.MaterialEntityOrSite.materialEntity a = j12bzjgj.BFO.MaterialEntityOrSite.materialEntity a_1) =
    (a = a_1)

Published by @sam ·

View source in j12bzjgj

Definitional, with no premises to accept.