trureturingGitHub MATHEMATICAL ATLAS

FixedPoints / CONCEPT

Relational Reachability Expansion

A transition relation's direct image preserves arbitrary unions, and its reachability least fixed point is the union of all finite stages.

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DIRECT PREREQUISITES1
DIRECT CONSEQUENCES2
PROOF DEPTH1
DOCUMENT LINKS1
THEOREM

Relational reachability expands through finite stages

RELATIONSHIP ATLAS

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Direct recorded relationships
Kleene Stage LimitKleene Stage LimitRelational Reachability ExpansionRelational ReachabilityExpansionRelational Reach Stage ExpansionRelational Reach StageExpansionReachability Safety DichotomyReachability Safety Dichotomy
Proof dependencyStructural affinityDocument link

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Lean sourceResearch workspace
Status
Closed
Depth
1
Layer
D5/S1
Domain
FixedPoints
Node ID
D5/S1/FixedPoints/RelationalReachExpansion
Repository path
D5/S1/FixedPoints/RelationalReachExpansion.lean
Truth release
sha256:c0d04258d27972c1cf58485e21d64dbcbe336405346ba95133913c64ba2856aa
Source commit
745bf90812f7175f83e1235688249f9495f23bfc
Source tree
143bc6c9ab9054c406f0cdd7f3b296eb38768b5c

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