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Theorem lebs-lookup-subseteq

⊦ ri.lebs ⊆ ns → ri[ks].lebs ⊆ ns

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
Used by units in proved state: gjournal-asm,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 13
Used lemmas: in-data-explicit, lebs-index, lebs-set,
Used spec theorems:
- set-union/nat-set/subdef
- index-base/lookup-keys
Used simplifier rules:
- set-basic/nat-set/sub-ntrans-01
- set-basic/node-store/size-zero-01
- set-basic/node-store/ne-01
- address-data/elim
- address-data/sel-03