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fix wrong axioms (#9511)

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Co-authored-by: Josef Widder <44643235+josef-widder@users.noreply.github.com>
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Giuliano
2022-10-05 02:38:21 -07:00
committed by GitHub
parent abbeb919df
commit b1dc5a6def
1 changed files with 3 additions and 2 deletions
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5
spec/ivy-proofs/domain_model.ivy
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@@ -131,13 +131,14 @@ object nset = { # the type of node sets
object classic_bft = { object classic_bft = {
relation quorum_intersection relation quorum_intersection
private { private {
definition [quorum_intersection_def] quorum_intersection = forall Q1,Q2. exists N. well_behaved(N) & nset.member(N, Q1) & nset.member(N, Q2) # every two quorums have a well-behaved node in common definition [quorum_intersection_def] quorum_intersection = forall Q1,Q2. nset.is_quorum(Q1) & nset.is_quorum(Q2)
-> exists N. well_behaved(N) & nset.member(N, Q1) & nset.member(N, Q2) # every two quorums have a well-behaved node in common
} }
} }
trusted isolate accountable_bft = { trusted isolate accountable_bft = {
# this is our baseline assumption about quorums: # this is our baseline assumption about quorums:
private { private {
property [max_2f_byzantine] exists N . well_behaved(N) & nset.member(N,Q) # every quorum has a well-behaved member property [max_2f_byzantine] nset.is_quorum(Q) -> exists N . well_behaved(N) & nset.member(N,Q) # every quorum has a well-behaved member
} }
} }