Section X86Context.
Context {initU: seq.seq nat}
{the_program: Asm.program}.
Notation the_ge := (@the_ge the_program).
Context {Hsafe : safe_genv the_ge}.
Instance X86Sem: Semantics := @X86Sem the_program Hsafe.

Lemma initial_core_det:
forall i m v args c c' m' m'',
initial_core semSem i m c m' v args ->
initial_core semSem i m c' m'' v args ->
c = c' /\ m' = m''.