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λδ digital library (LDDL)
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foreword milestones version 2 version 2 (background - core - applications) library (static LDDL directory)
citations visibility version 1 version 1 (static HELM directory) helena
Constant [spacer]
Definition: wel (ld:/Environment/grundlagen_2/l/wel.ld)
Informal description: ""
λ[a:Prop] .​ <Prop> .​ ((a) .​ not ) .​ not
Validation parameters: sort hierarchy = "Z2", kernel options = ""
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Last update: Sun, 04 Jan 2015 21:56:11 +0100