[Imprint][Data Privacy Statement][E-Mail]

Back to main index. View the specification. View theorem base summary, View theorem base listing, the used properties by spec, the dependency list, the symbol table,

Theorem base for Specification nat

This is a listing of all goals defined over the current specification. Axioms are marked yellow, proved theorems green and unproved theorems blue. Click on individual names to get more information on the proof.

Name: Sequent: Type:
eq-add2n-1-eq-le ⊦ n = n0 + n1 + 1 ∧ n0 + n1 = m0 + m1 → (n < m0 ↔ false) A User Theorem
less-01n ≤ m, n1 ≤ n ⊦ (m - n) + n0 + n1 ≤ m + n0 A User Theorem
l-num-02n0 < n ⊦ m + (* n) < m0 + (* n0) ↔ m + (n - n0) < m0 A User Theorem
pred ⊦ n < m → m - 1 - n = m - n - 1 A User Theorem
add-01 ⊦ n ≤ m → m + n0 - n = (m - n) + n0 A User Theorem
eq ⊦ m = n + 1 → ¬ m ≤ n A User Theorem
lep-02 ⊦ m + n ≤ m + n0 ↔ n ≤ n0 A User Theorem
l-num-05n < n0 ⊦ m + (* n) < (* n0) ↔ m < n0 - n A User Theorem
ls-le-simp ⊦ m < n → (n ≤ m ↔ false) A User Theorem
prop-06m ≠ 0, m ≤ n + 1 ⊦ n + 1 - m = n - (m - 1) A User Theorem
sub-base ⊦ m - 0 = m An Axiom
trans-le-lsm ≤ n, n < n0 ⊦ m < n0 A User Theorem
le-num-04n0 < n ⊦ (* n) ≤ m0 + (* n0) ↔ n - n0 ≤ m0 A User Theorem
gr-def ⊦ m > n ↔ n < m An Axiom
sub-ls-rewm0 < m, n0 < n ⊦ m - m0 < n - n0 ↔ m + n0 < n + m0 A User Theorem
recn ≤ m ⊦ m + 1 - n = (m - n) + 1 A User Theorem
ls-03n0 ≤ n ⊦ n - n0 ≤ m ↔ n ≤ m + n0 A User Theorem
neq-add1 ⊦ n0 = n1 + n2 → (n2 = n0 + 1 ↔ false) A User Theorem
neq-01 ⊦ m0 ≤ m ∧ n + m ≤ n0 → n0 + 1 ≠ n + m0 A User Theorem
ler ⊦ m ≤ m A User Theorem
sub-add ⊦ n ≤ n0 → (m + (n0 - n)) + n = m + n0 A User Theorem
add-num-04n0 < n ⊦ (* n) = m0 + (* n0) ↔ n - n0 = m0 A User Theorem
elim-pred-cn ≠ 0 ⊦ m = n - 1 ↔ n = m + 1 A User Theorem
num-02n ≠ 0 ⊦ (n - 1) + 1 = n A User Theorem
pred-01 ⊦ n < m → (m - n - 1) + 1 = m - n A User Theorem
eq-pred-01 ⊦ m = n + 1 → m - n - 1 = 0 A User Theorem
ls-06 ⊦ n ≤ m → (m - n < m ↔ n ≠ 0) A User Theorem
lez-01 ⊦ m ≤ 0 ↔ m = 0 A User Theorem
lels-04 ⊦ n + m ≤ m0 → ¬ n0 + m0 < m A User Theorem
eqle-one ⊦ m = n + 1 ∧ n < n0 → m ≤ n0 A User Theorem
cancel-01 ⊦ m + n - n + n1 = m - n1 A User Theorem
lep-01 ⊦ m + n ≤ m ↔ n = 0 A User Theorem
le-num-01n < n0 ⊦ m + (* n) ≤ m0 + (* n0) ↔ m ≤ m0 + (n0 - n) A User Theorem
eq-03 ⊦ m + 1 = n → n - m = 1 A User Theorem
le-sum ⊦ n ≤ n0 ∧ n1 ≤ m → n + n1 ≤ n0 + m A User Theorem
ls-add-not-02 ⊦ m ≤ m0 ∧ n ≤ n0 ∧ m1 ≤ n1 → ¬ m0 + n0 + n1 + n2 < m + n + m1 A User Theorem
lessn ≤ m, n1 < n ⊦ (m - n) + n0 + n1 < m + n0 A User Theorem
le-addex ⊦ m ≤ n ↔ (∃ n0. m + n0 = n) A User Theorem
add-num-01n < n0 ⊦ m + (* n) = m0 + (* n0) ↔ m = m0 + (n0 - n) A User Theorem
sub-succ ⊦ m0 ≤ n ∧ n ≤ m → m - (n - m0) = (m - n) + m0 A User Theorem
ge ⊦ n ≥ m ↔ m ≤ n A User Theorem
zero-02 ⊦ m ≤ n → (n - m = 0 ↔ n = m) A User Theorem
elim-subn ≤ m ⊦ n0 = m - n ↔ m = n0 + n A User Theorem
prop-02n ≤ m ⊦ (m - n) + 1 = m + 1 - n A User Theorem
succ-05 ⊦ n + 1 < m → m - n - 1 ≠ 0 A User Theorem
l-num-01n < n0 ⊦ m + (* n) < m0 + (* n0) ↔ m < m0 + (n0 - n) A User Theorem
num-01 ⊦ n + 1 - 1 = n A User Theorem
propn < m ⊦ m - 1 - n = m - n + 1 A User Theorem
leprf ⊦ m ≤ m - 1 → m = 0 A User Theorem
ls-05 ⊦ n < m → 0 < m - n A User Theorem
ls-add-not ⊦ m ≤ m0 ∧ n ≤ n0 → ¬ m0 + n0 + n1 < m + n A User Theorem
add-sub-less ⊦ m ≤ n ∧ n0 ≤ m → (n - m) + n0 = n - (m - n0) A User Theorem
less-03 ⊦ m - n0 < m - n1 ∧ n0 ≤ m ∧ n1 ≤ m → n1 < n0 A User Theorem
prop-05m ≤ n ⊦ (n - m) + n0 = n + n0 - m A User Theorem
l-num-04n0 < n ⊦ (* n) < m0 + (* n0) ↔ n - n0 < m0 A User Theorem
add-le-right2-lsm ≤ m0 + n0, n0 < n1 ⊦ m < m0 + n1 A User Theorem
sub-rec ⊦ m - n +1 = (m - n)-1 An Axiom
lels-03 ⊦ m < n → m ≤ n A User Theorem
pred-03 ⊦ n -1 = n - 1 A User Theorem
ls-add-not-01 ⊦ m ≤ m0 ∧ n ≤ n0 → ¬ m0 + n0 < m + n A User Theorem
lez ⊦ 0 ≤ m A User Theorem
sub-add-01 ⊦ n0 ≤ n ∧ n ≤ m + n0 → m - (n - n0) = m + n0 - n A User Theorem
sub-le-rewm0 ≤ m, n0 ≤ n ⊦ m - m0 ≤ n - n0 ↔ m + n0 ≤ n + m0 A User Theorem
succ-02 ⊦ m < n + 1 ↔ m ≤ n A User Theorem
le-num-03n < n0 ⊦ (* n) ≤ m0 + (* n0) A User Theorem
ls-02n0 ≤ n ⊦ m ≤ n - n0 ↔ m + n0 ≤ n A User Theorem
add-03 ⊦ n ≤ n0 → m + n0 - n = m + (n0 - n) A User Theorem
le-def ⊦ m ≤ n ↔ ¬ n < m An Axiom
add-num-03n < n0 ⊦ (* n) ≠ m0 + (* n0) A User Theorem
let ⊦ n ≤ n0 ∧ n0 ≤ n1 → n ≤ n1 A User Theorem
succ ⊦ n + 1 - n = 1 A User Theorem
le-add-02 ⊦ n < m ∧ n0 < m0 → (m + m0 ≤ n + n0 + 1 ↔ false) A User Theorem
one-02 ⊦ m ≠ 0 → (m ≤ 1 ↔ m = 1) A User Theorem
le-add ⊦ m + m0 ≤ m ↔ m0 = 0 A User Theorem
zero-01 ⊦ n < m → m - n ≠ 0 A User Theorem
le-num-06n0 < n ⊦ ¬ m + (* n) ≤ (* n0) A User Theorem
rax ⊦ m - n + 1 = m - n - 1 A User Theorem
len ≤ m ⊦ (m - n) + m0 ≤ n0 ↔ m + m0 ≤ n0 + n A User Theorem
ge-def ⊦ m ≥ n ↔ ¬ m < n An Axiom
add-ls-right2-lem < m0 + n0, n0 ≤ n1 ⊦ m < m0 + n1 A User Theorem
le-ls-simp ⊦ m ≤ n → (n < m ↔ false) A User Theorem
fle-01 ⊦ m ≤ n ∧ n < n0 → m < n0 A User Theorem
lepr ⊦ m ≠ 0 → ¬ m ≤ m - 1 A User Theorem
trans-ls-lem < n, n ≤ n0 ⊦ m < n0 A User Theorem
less-02n ≤ m, n0 < n ⊦ (m - n) + n0 < m A User Theorem
prop-04 ⊦ m < m - n → m < n A User Theorem
sub-same ⊦ n ≤ m → m - (m - n) = n A User Theorem
eq-pred ⊦ m = m0 ∧ m0 = n + 1 → m - n - 1 = 0 A User Theorem
shift-01 ⊦ m - n - n0 = m - n + n0 A User Theorem
anti ⊦ m ≤ n → (n ≤ m ↔ m = n) A User Theorem
eq-02n ≤ m ⊦ (m - n) + n0 = n1 ↔ m + n0 = n + n1 A User Theorem
prop-07 ⊦ n < m → (m - n) + n = m A User Theorem
l-num-06n0 < n ⊦ ¬ m + (* n) < (* n0) A User Theorem
succ-04n ≤ m ⊦ m + 1 - n - 1 = m - n A User Theorem
shift ⊦ m - n - n0 = m - n0 - n A User Theorem
prop-01n ≤ m ⊦ (m - n) + n = m A User Theorem
les ⊦ m < n → (n ≤ m + 1 ↔ n = m + 1) A User Theorem
one-01 ⊦ m ≠ 0 → (m + n ≤ 1 ↔ m = 1 ∧ n = 0) A User Theorem
ls-pred ⊦ n + 1 < m → m - n - 1 < m A User Theorem
ls-04 ⊦ n ≤ m ∧ n0 ≤ m → (m - n < m - n0 ↔ n0 < n) A User Theorem
le-rec ⊦ n ≠ 0 → (m ≤ n ↔ m = n ∨ m < n) A User Theorem
trans-le-lem ≤ n, n ≤ n0 ⊦ m ≤ n0 A User Theorem
ls-07n ≤ m, n0 ≤ m ⊦ m - n < m - n0 ↔ n0 < n A User Theorem
le-one ⊦ m ≤ n + 1 ∧ n < n0 → m ≤ n0 A User Theorem
l-num-03n < n0 ⊦ (* n) < m0 + (* n0) A User Theorem
lels-02 ⊦ m ≠ n → (m ≤ n ↔ m < n) A User Theorem
pred-02m ≠ 0, n ≠ 0, n ≤ m ⊦ m - 1 - (n - 1) = m - n A User Theorem
not-zero0 < n ⊦ (* n) ≤ m → m ≠ 0 A User Theorem
lep ⊦ m ≤ m + n A User Theorem
eq-01 ⊦ m + n - m = n A User Theorem
add ⊦ n ≤ m → ((m - n) + n0 = m ↔ n = n0) A User Theorem
plsm ≤ m0, n < n0 ⊦ m + n < m0 + n0 A User Theorem
succ-01 ⊦ m + 1 ≤ n ↔ m < n A User Theorem
lels ⊦ m < n ↔ ¬ n ≤ m A User Theorem
le-num-02n0 < n ⊦ m + (* n) ≤ m0 + (* n0) ↔ m + (n - n0) ≤ m0 A User Theorem
add-02 ⊦ 1 + m + m ≤ n + n ↔ m < n A User Theorem
ls-01n0 ≤ n ⊦ n - n0 < m ↔ n < m + n0 A User Theorem
le-num-05n < n0 ⊦ m + (* n) ≤ (* n0) ↔ m ≤ n0 - n A User Theorem
fle ⊦ m < n ∧ n ≤ n0 → m < n0 A User Theorem
sub-ls ⊦ ¬ n + (m - n) < m A User Theorem
le-add-01 ⊦ n < m ∧ n0 < m0 → (m + m0 ≤ n + n0 ↔ false) A User Theorem
ls-add-not-03 ⊦ m ≤ m0 ∧ n ≤ n0 ∧ m1 ≤ n1 → ¬ m0 + n0 + n1 < m + n + m1 A User Theorem
lsn0 ≤ n ⊦ m < n - n0 ↔ m + n0 < n A User Theorem
zero ⊦ m - m = 0 A User Theorem
add-num-02n0 < n ⊦ m + (* n) = m0 + (* n0) ↔ m + (n - n0) = m0 A User Theorem