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Theorem swap-to-from
⊦ m ≤ n ∧ ¬ # σ < ⌜n⌝ → (σ to n) from m = (σ from m) to (n - m)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
from-infto-exchange
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 1
Proof steps: 4
Used lemmas:
swap-from-to
,
Used spec theorems:
Used simplifier rules:
nat
/
elim-sub
nat-inf
/
add-fin
nat-basic2
/
a
nat
/
lep
nat-basic2
/
c
nat-inf
/
add-comm