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citations	visibility	version 1	version 1	(static HELM directory)	helena

Informal description: ""

{λ[sigma:Set] .​ λ[s0:(sigma) .​ set ] .​ λ[t0:(sigma) .​ set ] .​ λ[d:{(t0) .​ (s0) .​ (sigma)} .​ disj ] .​ λ[s:sigma] .​ λ[set0:{(t0) .​ (s) .​ (sigma)} .​ esti ]} .​ <({(s0) .​ (s) .​ (sigma)} .​ esti ) .​ not > .​ {(set0) .​ ((s) .​ d) .​ ({(t0) .​ (s) .​ (sigma)} .​ esti ) .​ ({(s0) .​ (s) .​ (sigma)} .​ esti )} .​ ece2

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