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Theorem nat-structind

p(0), ∀ i. 0 ≤ i ∧ p(i) → p(i + 1) ⊦ 0 ≤ i → p(i)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 10
Proof steps: 25
Used lemmas: forward-le-05, lsone, sub-ls, sub-pred, succ-01, sub-le-01, lels-03, succ-02, mone-06, numls-03, anti, le-def,
Used spec theorems:
- int-basic1/l
Used simplifier rules: