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basic_2: stronger supclosure allows better inversion lemmas
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14
15 include "basic_2/relocation/drops.ma".
16
17 (* GENERIC SLICING FOR LOCAL ENVIRONMENTS ***********************************)
18
19 (* Properties with context-sensitive equivalence for terms ******************)
20
21 lemma ceq_lift: d_liftable2 ceq.
22 /2 width=3 by ex2_intro/ qed-.
23
24 lemma ceq_inv_lift: d_deliftable2_sn ceq.
25 /2 width=3 by ex2_intro/ qed-.
26
27 (* Note: d_deliftable2_sn cfull does not hold *)
28 lemma cfull_lift: d_liftable2 cfull.
29 #K #T1 #T2 #_ #b #f #L #_ #U1 #_ -K -T1 -b
30 elim (lifts_total T2 f) /2 width=3 by ex2_intro/
31 qed-.