Definition. We define TwoRamseyProp to be λM N V ⇒ ∀R : set → set → prop, (∀x y, Rxy → Ryx) → ((∃X ⊆ V, equipMX ∧ (∀x y ∈ X, x ≠ y → Rxy)) ∨ (∃Y ⊆ V, equipNY ∧ (∀x y ∈ Y, x ≠ y → ¬ Rxy))) of type set → set → set → prop.
In Proofgold the corresponding term root is c5d86c... and object id is faf73f...