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Theorem eq-01

⊦ m + n = m + n0 ↔ n = n0

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: a, addex, eq, eqs, even, even-04, even-06, ex-oddeven, neq, pe, pe-01, pred, q, q-01, three,
Used by units in proved state: list-last, list-del, string-less, stream, list, nat-pair, nat-div, string-less-new, set-union, stut-mon, olist-sort, olist, nat-prime, nat-pot, nat-inf, nat-even, mon-lim-filter-count, list-set, list-perm, intnat, bag-union, store, set-basic, nat-mult, nat, array-copy, bag-basic, choice, inf-app-list, infinite-append, assoclist, list-dup,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 4
Used lemmas: rec, z,
Used spec theorems:
- Used simplifier rules:
  - nat-basic1/inj-1