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: t4 (ld:/Environment/grundlagen_2/l/e/surj/t4.ld)
Informal description: ""
{λ[sigma:Set].​λ[tau:Set].​λ[upsilon:Set].​λ[f:Π[x:sigma].​tau].​λ[g:Π[x:tau].​upsilon].​λ[sf:{(f).​(tau).​(sigma)}.​surjective].​λ[sg:{(g).​(upsilon).​(tau)}.​surjective].​λ[u:upsilon].​λ[t:tau].​λ[i:{((t).​g).​(u).​(upsilon)}.​is].​λ[s:sigma].​λ[j:{((s).​f).​(t).​(tau)}.​is]}.​<{(u).​({(sg).​(sf).​(g).​(f).​(upsilon).​(tau).​(sigma)}.​h).​(upsilon).​(sigma)}.​image>.​{({(j).​(s).​(i).​(t).​(u).​(sg).​(sf).​(g).​(f).​(upsilon).​(tau).​(sigma)}.​t3).​(s).​(λ[x:sigma].​{((x).​{(sg).​(sf).​(g).​(f).​(upsilon).​(tau).​(sigma)}.​h).​(u).​(upsilon)}.​is).​(sigma)}.​somei
Validation parameters: sort hierarchy = "Z2", kernel options = ""
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Last update: Sat, 12 Dec 2020 10:46:54 +0100