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Proof step 34 from proof reffield-del (previous step)

is_obj(r0, st), is_obj(r0, st), ∃ fs. fs ' ∈ instfields(st[r0 -- _type] .type .class) ∧ is_reftype(fs .type) ⊦ r0 = r, has_reffield(r0, st -- r)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 33:
is_reftype(fs .type), fs ' ∈ instfields(st[r0 -- _type] .type .class), is_obj(r0, st) ⊦ r0 = r, has_reffield(r0, st -- r)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]