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Informal description: ""

{λ[sigma:Set] .​ λ[r:∀[x:sigma] .​ ∀[y:sigma] .​ Prop] .​ λ[refr1:∀[x:sigma] .​ (x) .​ (x) .​ r] .​ λ[symr1:∀[x:sigma] .​ ∀[y:sigma] .​ ∀[t:(y) .​ (x) .​ r] .​ (x) .​ (y) .​ r] .​ λ[trr1:∀[x:sigma] .​ ∀[y:sigma] .​ ∀[z:sigma] .​ ∀[t:(y) .​ (x) .​ r] .​ ∀[u:(z) .​ (y) .​ r] .​ (z) .​ (x) .​ r] .​ λ[s:sigma]} .​ <(s) .​ (s) .​ r> .​ (s) .​ refr1

Validation parameters: sort hierarchy = "Z2", kernel options = ""