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λδ digital library (LDDL)
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Constant [spacer]
Declaration: refis (ld:/Environment/grundlagen_2/l/e/refis.ld)
Informal description: ""
{Π[sigma:Set] .​ Π[s:sigma]} .​ {(s) .​ (s) .​ (sigma)} .​ is
Validation parameters: sort hierarchy = "Z2", kernel options = ""
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Last update: Sun, 04 Jan 2015 21:57:18 +0100