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Theorem isobj-instfields

⊦ sk ∈ instfields(st[r -- _type] .type .class) ∧ is_obj(r, class, st) → st[r -- _type] = typeval(mkclasstype(class))

Type: A user defined theorem
Validity: The proof is valid.
Features: forward, localforward,
Comment:
Used by: is_obj-no-refval, is_obj-no-refval-01, is_obj-notin-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: isobj-type-03,
Used spec theorems:
- Used simplifier rules: