λδ digital library (LDDL)
[Spacer]

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: is (ld:/Environment/grundlagen_2/l/e/st/eq/landau/n/is.ld)
Informal description: ""
{λ[x:nat].​λ[y:nat]}.​<Prop>.​{(y).​(x).​(nat)}.​is
Validation parameters: sort hierarchy = "Z2", kernel options = ""
[Spacer]

[Valid XHTML 1.1][Valid CSS level 2][Generated from XML via XSL][PNG used here][Viewable with any browser]

Last update: Sat, 12 Dec 2020 10:46:54 +0100