is mentioned by

Thm* E:TaggedEventStruct, tr:Trace(E). (switch_inv(E) No-dup-send(E))(tr) (tr':Trace(E). switch_inv(E)(tr') & AD-normal(E)(tr') & (tr adR(E) tr'))	[switch_normal_exists]
Thm* E:EventStruct, P:((Label(|E| List))Prop). (f,g:(Label(|E| List)). (p:Label. g(p) f(p)) P(f) P(g)) (f,g:(Label(|E| List)). (a:|E|. p:Label. g(p) = filter(b.(b =msg=(E) a);f(p))) P(f) P(g)) (f,g,h:(Label(|E| List)). (p,q:Label. (xf(p).(yg(q).(x =msg=(E) y)))) (p:Label. h(p) = ((f(p)) @ (g(p)))) P(f) P(g) P(h)) switchable0(E)(local_deliver_property(E;P))	[local_deliver_switchable]
Thm* E:EventStruct, a,b:|E|, tr:|E| List. a somewhere delivered before b (k:||tr||. a delivered at time k (k':||tr||. k' < k & b delivered at time k' & loc(E)(tr[k']) = loc(E)(tr[k])))	[not_delivered_before_somewhere]
Thm* E:TaggedEventStruct, P,I,J,K:TraceProperty(E) , R:(Trace(E)Trace(E)Prop). tag_splitable(E;R) (tr_1,tr_2:Trace(E). (tr_1 R tr_2) (tr_2 R tr_1)) R preserves P R preserves K (tr:Trace(E). (I K)(tr) (tr':Trace(E). I(tr') & J(tr') & (tr R tr'))) (((I J) K) fuses P) ((I K) fuses P)	[normal_form_fusion]
Thm* E:EventStruct, L:|E| List. L = nil Causal(E)(L) (i:||L||. is-send(E)(L[i]))	[P_causal_non_nil]
Def full_switch_inv(E;A;evt;tg;tr_u;tr_l) == tr_m:A List. (tr_l R(tg) tr_m) & (map(evt;tr_m) layerR(E) tr_u) & switch_inv( < A,evt,tg > (E))(tr_m)	[full_switch_inv]
Def switch_inv(E)(tr) == i,j,k:||tr||. i < j (is-send(E)(tr[i])) (is-send(E)(tr[j])) tag(E)(tr[i]) = tag(E)(tr[j]) tr[j] delivered at time k (k':||tr||. k' < k & tr[i] delivered at time k' & loc(E)(tr[k']) = loc(E)(tr[k]))	[switch_inv]
Def switch-decomposable(E)(L) == L = nil |E| List (Q:(||L||Prop). (i:||L||. Dec(Q(i))) & (i:||L||. Q(i)) & (i:||L||. Q(i) (is-send(E)(L[i]))) & (i,j:||L||. Q(i) Q(j) tag(E)(L[i]) = tag(E)(L[j])) & (i,j:||L||. Q(i) ij C(Q)(j)))	[switch_decomposable]
Def AD-normal(E)(tr) == i:(||tr||-1). ((is-send(E)(tr[i])) (is-send(E)(tr[(i+1)])) (tr[i] =msg=(E) tr[(i+1)])) & ((x,y:||tr||. x < y & (is-send(E)(tr[x])) & (is-send(E)(tr[y])) & tr[x] delivered at time i+1 & tr[y] delivered at time i) loc(E)(tr[i]) = loc(E)(tr[(i+1)]))	[switch_normal]
Def x somewhere delivered before y == k:||tr||. x delivered at time k & (k':||tr||. y delivered at time k' loc(E)(tr[k']) = loc(E)(tr[k]) kk')	[delivered_before_somewhere]
Def swap adjacent[P(x;y)](L1,L2) == i:(||L1||-1). P(L1[i];L1[(i+1)]) & L2 = swap(L1;i;i+1) A List	[swap_adjacent]
Def send-enabledR(E)(L_1,L_2) == x:|E|. (is-send(E)(x)) & L_2 = (L_1 @ [x])	[R_send_enabled]
Def memorylessR(E)(L_1,L_2) == a:|E|. L_2 = filter(b.(b =msg=(E) a);L_1) |E| List	[R_memoryless]
Def R_ad_normal(tr)(a,b) == ((is-send(E)(a)) (is-send(E)(b)) (a =msg=(E) b)) & ((is-send(E)(a)) (is-send(E)(b)) (x,y:||tr||. x < y & (is-send(E)(tr[x])) & (is-send(E)(tr[y])) & (tr[x] =msg=(E) b) & (tr[y] =msg=(E) a)) loc(E)(a) = loc(E)(b))	[R_ad_normal]
Def single-tag-decomposable(E)(L) == L = nil |E| List (L_1,L_2:Trace(E). L = (L_1 @ L_2) |E| List & L_2 = nil |E| List & (xL_1.(yL_2.(x =msg=(E) y))) & (m:Label. (xL_2.tag(E)(x) = m)))	[single_tag_decomposable]
Def C(Q)(i) == k:||L||. Q(k) & (L[k] =msg=(E) L[i])	[message_closure]
Def Causal(E)(tr) == i:||tr||. j:||tr||. ji & (is-send(E)(tr[j])) & (tr[j] =msg=(E) tr[i])	[P_causal]
Def switch_inv(E; tr) == i,j,k:||tr||. i < j (is-send(E)(tr[i])) (is-send(E)(tr[j])) tag(E)(tr[i]) = tag(E)(tr[j]) (tr[j] =msg=(E) tr[k]) (is-send(E)(tr[k])) (k':||tr||. k' < k & loc(E)(tr[k']) = loc(E)(tr[k]) & (tr[i] =msg=(E) tr[k']) & (is-send(E)(tr[k'])))	[switch_inv2001_03_15_DASH_PM_DASH_12_53_21]

In prior sections: core fun 1 int 2 mb nat num thy 1 mb list 1 mb list 2 mb collection

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