λδ digital library (LDDL)
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homenewsspecificationspecification log
documentationimplementation
forewordmilestonesversion 2(background - syntax - core - applications)
version 2helenaOpen Symbolic Notation (OSN)
citationsvisibilityversion 1(background - core)(static HELM directory)version 1library(static LDDL directory)
Constant [butterfly]
Definition: first1is1 (ld:/Environment/grundlagen_2/l/e/st/eq/landau/n/first1is1.ld)
Informal description: ""
{λ[alpha:Set].​λ[a:alpha].​λ[b:alpha]}.​<{(a).​({({(b).​(a).​(alpha)}.​pair1).​(alpha)}.​first1).​(alpha)}.​is>.​{({(1t).​((2).​1to)}.​refis).​(b).​(a).​(alpha).​({(1t).​(1t).​((2).​1to)}.​is)}.​itet
Validation parameters: sort hierarchy = "Z2", kernel options = ""
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Last update: Sat, 12 Dec 2020 10:46:54 +0100