Nuprl Lemma : es-loc-pred-plus

[es:EO]. ∀[x,y:E].  loc(x) loc(y) ∈ Id supposing x λx,y. ((¬↑first(y)) c∧ (x pred(y) ∈ E))+ y


Proof




Definitions occuring in Statement :  es-first: first(e) es-pred: pred(e) es-loc: loc(e) es-E: E event_ordering: EO rel_plus: R+ Id: Id assert: b uimplies: supposing a uall: [x:A]. B[x] cand: c∧ B infix_ap: y not: ¬A lambda: λx.A[x] equal: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T rel_plus: R+ infix_ap: y all: x:A. B[x] nat: implies:  Q false: False ge: i ≥  uimplies: supposing a satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] not: ¬A top: Top and: P ∧ Q prop: guard: {T} subtype_rel: A ⊆B cand: c∧ B es-E: E es-base-E: es-base-E(es) int_seg: {i..j-} lelt: i ≤ j < k decidable: Dec(P) or: P ∨ Q le: A ≤ B less_than': less_than'(a;b) rel_exp: R^n bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) ifthenelse: if then else fi  bfalse: ff sq_type: SQType(T) bnot: ¬bb assert: b int_upper: {i...} squash: T true: True iff: ⇐⇒ Q rev_implies:  Q less_than: a < b so_lambda: λ2x.t[x] so_apply: x[s]

Latex:
\mforall{}[es:EO].  \mforall{}[x,y:E].    loc(x)  =  loc(y)  supposing  x  \mlambda{}x,y.  ((\mneg{}\muparrow{}first(y))  c\mwedge{}  (x  =  pred(y)))\msupplus{}  y



Date html generated: 2016_05_16-AM-09_17_45
Last ObjectModification: 2016_01_17-PM-01_31_10

Theory : new!event-ordering


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