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Theorem app-01

⊦ ordered≤(x + y) → ordered≤(y)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: app, app-02, cons-03, del1-01, del1-01-01, del1-01-02, eqdef, ins-less-first, k-le-r, ole-01, ole-in, ole-last, ole-rec, ordered-append, ordered-ex-divide-lels, ordered-ex-divide-lsle, ordered-postfix, ordered-prefix, orderedle-all, rest-01,
Used by units in proved state: olist-min-max, olist, olist, olist, olist,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 4
Used lemmas: cons-02,
Used spec theorems:
- Used simplifier rules:
  - list/Nil
  - list/a
  - list/c