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.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
GT.gt
@[reducible] def GT.gt {α : Type u} [LT α] (a b : α) : Prop := LT.lt b a
[ 1218, 1 ]
[ 1219, 73 ]
commanddeclaration
100
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
DecidableLT
abbrev DecidableLT (α : Type u) [LT α] := DecidableRel (LT.lt : α → α → Prop)
[ 1221, 1 ]
[ 1222, 78 ]
commanddeclaration
101
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
DecidableLE
abbrev DecidableLE (α : Type u) [LE α] := DecidableRel (LE.le : α → α → Prop)
[ 1223, 1 ]
[ 1224, 78 ]
commanddeclaration
102
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Max
class Max (α : Type u) where max : α → α → α
[ 1226, 1 ]
[ 1231, 18 ]
commanddeclaration
103
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
maxOfLe
@[inline] def maxOfLe [LE α] [DecidableRel (@LE.le α _)] : Max α where max x y := ite (LE.le x y) y x
[ 1235, 1 ]
[ 1241, 33 ]
commanddeclaration
104
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Min
class Min (α : Type u) where min : α → α → α
[ 1243, 1 ]
[ 1248, 18 ]
commanddeclaration
105
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
minOfLe
@[inline] def minOfLe [LE α] [DecidableRel (@LE.le α _)] : Min α where min x y := ite (LE.le x y) x y
[ 1252, 1 ]
[ 1258, 33 ]
commanddeclaration
106
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Trans
class Trans (r : α → β → Sort u) (s : β → γ → Sort v) (t : outParam (α → γ → Sort w)) where trans : r a b → s b c → t a c
[ 1260, 1 ]
[ 1271, 32 ]
commanddeclaration
107
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HAdd
class HAdd (α : Type u) (β : Type v) (γ : outParam (Type w)) where hAdd : α → β → γ
[ 1281, 1 ]
[ 1288, 19 ]
commanddeclaration
108
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HSub
class HSub (α : Type u) (β : Type v) (γ : outParam (Type w)) where hSub : α → β → γ
[ 1290, 1 ]
[ 1298, 19 ]
commanddeclaration
109
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HMul
class HMul (α : Type u) (β : Type v) (γ : outParam (Type w)) where hMul : α → β → γ
[ 1300, 1 ]
[ 1307, 19 ]
commanddeclaration
110
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HDiv
class HDiv (α : Type u) (β : Type v) (γ : outParam (Type w)) where hDiv : α → β → γ
[ 1309, 1 ]
[ 1325, 19 ]
commanddeclaration
111
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HMod
class HMod (α : Type u) (β : Type v) (γ : outParam (Type w)) where hMod : α → β → γ
[ 1327, 1 ]
[ 1336, 19 ]
commanddeclaration
112
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HPow
class HPow (α : Type u) (β : Type v) (γ : outParam (Type w)) where hPow : α → β → γ
[ 1338, 1 ]
[ 1345, 19 ]
commanddeclaration
113
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HAppend
class HAppend (α : Type u) (β : Type v) (γ : outParam (Type w)) where hAppend : α → β → γ
[ 1347, 1 ]
[ 1354, 22 ]
commanddeclaration
114
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HOrElse
class HOrElse (α : Type u) (β : Type v) (γ : outParam (Type w)) where hOrElse : α → (Unit → β) → γ
[ 1356, 1 ]
[ 1366, 31 ]
commanddeclaration
115
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HAndThen
class HAndThen (α : Type u) (β : Type v) (γ : outParam (Type w)) where hAndThen : α → (Unit → β) → γ
[ 1368, 1 ]
[ 1378, 32 ]
commanddeclaration
116
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HAnd
class HAnd (α : Type u) (β : Type v) (γ : outParam (Type w)) where hAnd : α → β → γ
[ 1380, 1 ]
[ 1384, 19 ]
commanddeclaration
117
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HXor
class HXor (α : Type u) (β : Type v) (γ : outParam (Type w)) where hXor : α → β → γ
[ 1386, 1 ]
[ 1390, 19 ]
commanddeclaration
118
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HOr
class HOr (α : Type u) (β : Type v) (γ : outParam (Type w)) where hOr : α → β → γ
[ 1392, 1 ]
[ 1396, 18 ]
commanddeclaration
119
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HShiftLeft
class HShiftLeft (α : Type u) (β : Type v) (γ : outParam (Type w)) where hShiftLeft : α → β → γ
[ 1398, 1 ]
[ 1405, 25 ]
commanddeclaration
120
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HShiftRight
class HShiftRight (α : Type u) (β : Type v) (γ : outParam (Type w)) where hShiftRight : α → β → γ
[ 1407, 1 ]
[ 1413, 26 ]
commanddeclaration
121
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Zero
class Zero (α : Type u) where zero : α
[ 1415, 1 ]
[ 1418, 11 ]
commanddeclaration
122
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
One
class One (α : Type u) where one : α
[ 1420, 1 ]
[ 1423, 10 ]
commanddeclaration
123
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Add
class Add (α : Type u) where add : α → α → α
[ 1425, 1 ]
[ 1428, 18 ]
commanddeclaration
124
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Sub
class Sub (α : Type u) where sub : α → α → α
[ 1430, 1 ]
[ 1433, 18 ]
commanddeclaration
125
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Mul
class Mul (α : Type u) where mul : α → α → α
[ 1435, 1 ]
[ 1438, 18 ]
commanddeclaration
126
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Neg
class Neg (α : Type u) where neg : α → α
[ 1440, 1 ]
[ 1447, 14 ]
commanddeclaration
127
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Div
class Div (α : Type u) where div : α → α → α
[ 1449, 1 ]
[ 1452, 18 ]
commanddeclaration
128
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Mod
class Mod (α : Type u) where mod : α → α → α
[ 1454, 1 ]
[ 1457, 18 ]
commanddeclaration
129
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Dvd
class Dvd (α : Type _) where dvd : α → α → Prop
[ 1459, 1 ]
[ 1462, 21 ]
commanddeclaration
130
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Pow
class Pow (α : Type u) (β : Type v) where pow : α → β → α
[ 1464, 1 ]
[ 1476, 18 ]
commanddeclaration
131
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
NatPow
class NatPow (α : Type u) where protected pow : α → Nat → α
[ 1478, 1 ]
[ 1486, 30 ]
commanddeclaration
132
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
HomogeneousPow
class HomogeneousPow (α : Type u) where protected pow : α → α → α
[ 1488, 1 ]
[ 1498, 28 ]
commanddeclaration
133
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Append
class Append (α : Type u) where append : α → α → α
[ 1500, 1 ]
[ 1503, 21 ]
commanddeclaration
134
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
OrElse
class OrElse (α : Type u) where orElse : α → (Unit → α) → α
[ 1505, 1 ]
[ 1512, 31 ]
commanddeclaration
135
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
AndThen
class AndThen (α : Type u) where andThen : α → (Unit → α) → α
[ 1514, 1 ]
[ 1521, 31 ]
commanddeclaration
136
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
AndOp
class AndOp (α : Type u) where and : α → α → α
[ 1523, 1 ]
[ 1529, 18 ]
commanddeclaration
137
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Xor
class Xor (α : Type u) where xor : α → α → α
[ 1531, 1 ]
[ 1534, 18 ]
commanddeclaration
138
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
OrOp
class OrOp (α : Type u) where or : α → α → α
[ 1536, 1 ]
[ 1542, 17 ]
commanddeclaration
139
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Complement
class Complement (α : Type u) where complement : α → α
[ 1544, 1 ]
[ 1547, 21 ]
commanddeclaration
140
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
ShiftLeft
class ShiftLeft (α : Type u) where shiftLeft : α → α → α
[ 1549, 1 ]
[ 1552, 24 ]
commanddeclaration
141
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
ShiftRight
class ShiftRight (α : Type u) where shiftRight : α → α → α
[ 1554, 1 ]
[ 1557, 25 ]
commanddeclaration
142
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instHAdd
@[default_instance] instance instHAdd [Add α] : HAdd α α α where hAdd a b := Add.add a b
[ 1559, 1 ]
[ 1561, 26 ]
commanddeclaration
143
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instHSub
@[default_instance] instance instHSub [Sub α] : HSub α α α where hSub a b := Sub.sub a b
[ 1563, 1 ]
[ 1565, 26 ]
commanddeclaration
144
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instHMul
@[default_instance] instance instHMul [Mul α] : HMul α α α where hMul a b := Mul.mul a b
[ 1567, 1 ]
[ 1569, 26 ]
commanddeclaration
145
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instHDiv
@[default_instance] instance instHDiv [Div α] : HDiv α α α where hDiv a b := Div.div a b
[ 1571, 1 ]
[ 1573, 26 ]
commanddeclaration
146
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instHMod
@[default_instance] instance instHMod [Mod α] : HMod α α α where hMod a b := Mod.mod a b
[ 1575, 1 ]
[ 1577, 26 ]
commanddeclaration
147
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instHPow
@[default_instance] instance instHPow [Pow α β] : HPow α β α where hPow a b := Pow.pow a b
[ 1579, 1 ]
[ 1581, 26 ]
commanddeclaration
148
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instPowNat
@[default_instance] instance instPowNat [NatPow α] : Pow α Nat where pow a n := NatPow.pow a n
[ 1583, 1 ]
[ 1585, 28 ]
commanddeclaration
149
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Membership
class Membership (α : outParam (Type u)) (γ : Type v) where mem : γ → α → Prop
[ 1629, 1 ]
[ 1636, 21 ]
commanddeclaration
150
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.add
@[extern "lean_nat_add"] protected def Nat.add : (@& Nat) → (@& Nat) → Nat | a, Nat.zero => a | a, Nat.succ b => Nat.succ (Nat.add a b)
[ 1639, 1 ]
[ 1648, 44 ]
commanddeclaration
151
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instAddNat
instance instAddNat : Add Nat where add := Nat.add
[ 1650, 1 ]
[ 1651, 17 ]
commanddeclaration
152
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.mul
@[extern "lean_nat_mul"] protected def Nat.mul : (@& Nat) → (@& Nat) → Nat | _, 0 => 0 | a, Nat.succ b => Nat.add (Nat.mul a b) a
[ 1658, 1 ]
[ 1667, 45 ]
commanddeclaration
153
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instMulNat
instance instMulNat : Mul Nat where mul := Nat.mul
[ 1669, 1 ]
[ 1670, 17 ]
commanddeclaration
154
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.pow
@[extern "lean_nat_pow"] protected def Nat.pow (m : @& Nat) : (@& Nat) → Nat | 0 => 1 | succ n => Nat.mul (Nat.pow m n) m
[ 1673, 1 ]
[ 1682, 38 ]
commanddeclaration
155
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instNatPowNat
instance instNatPowNat : NatPow Nat := ⟨Nat.pow⟩
[ 1684, 1 ]
[ 1684, 49 ]
commanddeclaration
156
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.beq
@[extern "lean_nat_dec_eq"] def Nat.beq : (@& Nat) → (@& Nat) → Bool | zero, zero => true | zero, succ _ => false | succ _, zero => false | succ n, succ m => beq n m
[ 1687, 1 ]
[ 1698, 30 ]
commanddeclaration
157
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.eq_of_beq_eq_true
theorem Nat.eq_of_beq_eq_true : {n m : Nat} → Eq (beq n m) true → Eq n m
[ 1700, 1 ]
[ 1707, 15 ]
commanddeclaration
158
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.ne_of_beq_eq_false
theorem Nat.ne_of_beq_eq_false : {n m : Nat} → Eq (beq n m) false → Not (Eq n m)
[ 1709, 1 ]
[ 1715, 71 ]
commanddeclaration
159
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.decEq
@[reducible, extern "lean_nat_dec_eq"] protected def Nat.decEq (n m : @& Nat) : Decidable (Eq n m) := match h:beq n m with | true => isTrue (eq_of_beq_eq_true h) | false => isFalse (ne_of_beq_eq_false h)
[ 1717, 1 ]
[ 1733, 44 ]
commanddeclaration
160
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.ble
@[extern "lean_nat_dec_le"] def Nat.ble : @& Nat → @& Nat → Bool | zero, zero => true | zero, succ _ => true | succ _, zero => false | succ n, succ m => ble n m
[ 1738, 1 ]
[ 1754, 30 ]
commanddeclaration
161
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le
protected inductive Nat.le (n : Nat) : Nat → Prop | refl : Nat.le n n | step {m} : Nat.le n m → Nat.le n (succ m)
[ 1756, 1 ]
[ 1763, 46 ]
commanddeclaration
162
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instLENat
instance instLENat : LE Nat where le := Nat.le
[ 1765, 1 ]
[ 1766, 15 ]
commanddeclaration
163
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.lt
protected def Nat.lt (n m : Nat) : Prop := Nat.le (succ n) m
[ 1768, 1 ]
[ 1774, 20 ]
commanddeclaration
164
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instLTNat
instance instLTNat : LT Nat where lt := Nat.lt
[ 1776, 1 ]
[ 1777, 15 ]
commanddeclaration
165
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.not_succ_le_zero
theorem Nat.not_succ_le_zero : ∀ (n : Nat), LE.le (succ n) 0 → False
[ 1779, 1 ]
[ 1781, 20 ]
commanddeclaration
166
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.not_lt_zero
theorem Nat.not_lt_zero (n : Nat) : Not (LT.lt n 0)
[ 1783, 1 ]
[ 1784, 21 ]
commanddeclaration
167
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.zero_le
theorem Nat.zero_le : (n : Nat) → LE.le 0 n
[ 1786, 1 ]
[ 1788, 38 ]
commanddeclaration
168
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.succ_le_succ
theorem Nat.succ_le_succ : LE.le n m → LE.le (succ n) (succ m)
[ 1790, 1 ]
[ 1792, 50 ]
commanddeclaration
169
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.zero_lt_succ
theorem Nat.zero_lt_succ (n : Nat) : LT.lt 0 (succ n)
[ 1794, 1 ]
[ 1795, 27 ]
commanddeclaration
170
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_step
theorem Nat.le_step (h : LE.le n m) : LE.le n (succ m)
[ 1797, 1 ]
[ 1798, 16 ]
commanddeclaration
171
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_trans
protected theorem Nat.le_trans {n m k : Nat} : LE.le n m → LE.le m k → LE.le n k
[ 1800, 1 ]
[ 1802, 59 ]
commanddeclaration
172
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.lt_trans
protected theorem Nat.lt_trans {n m k : Nat} (h₁ : LT.lt n m) : LT.lt m k → LT.lt n k
[ 1804, 1 ]
[ 1805, 28 ]
commanddeclaration
173
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_succ
theorem Nat.le_succ (n : Nat) : LE.le n (succ n)
[ 1807, 1 ]
[ 1808, 26 ]
commanddeclaration
174
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_succ_of_le
theorem Nat.le_succ_of_le {n m : Nat} (h : LE.le n m) : LE.le n (succ m)
[ 1810, 1 ]
[ 1811, 29 ]
commanddeclaration
175
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_refl
protected theorem Nat.le_refl (n : Nat) : LE.le n n
[ 1813, 1 ]
[ 1814, 14 ]
commanddeclaration
176
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.succ_pos
theorem Nat.succ_pos (n : Nat) : LT.lt 0 (succ n)
[ 1816, 1 ]
[ 1817, 17 ]
commanddeclaration
177
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.pred
@[extern "lean_nat_pred"] def Nat.pred : (@& Nat) → Nat | 0 => 0 | succ a => a
[ 1820, 1 ]
[ 1830, 16 ]
commanddeclaration
178
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.pred_le_pred
theorem Nat.pred_le_pred : {n m : Nat} → LE.le n m → LE.le (pred n) (pred m)
[ 1832, 1 ]
[ 1835, 64 ]
commanddeclaration
179
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_of_succ_le_succ
theorem Nat.le_of_succ_le_succ {n m : Nat} : LE.le (succ n) (succ m) → LE.le n m
[ 1837, 1 ]
[ 1838, 15 ]
commanddeclaration
180
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_of_lt_succ
theorem Nat.le_of_lt_succ {m n : Nat} : LT.lt m (succ n) → LE.le m n
[ 1840, 1 ]
[ 1841, 21 ]
commanddeclaration
181
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.eq_or_lt_of_le
protected def Nat.eq_or_lt_of_le : {n m: Nat} → LE.le n m → Or (Eq n m) (LT.lt n m) | zero, zero, _ => Or.inl rfl | zero, succ _, _ => Or.inr (Nat.succ_le_succ (Nat.zero_le _)) | succ _, zero, h => absurd h (not_succ_le_zero _) | succ n, succ m, h => have : LE.le n m := Nat.le_of_succ_le_succ h match Nat.eq_or_lt_of_le this with | Or.inl h => Or.inl (h ▸ rfl) | Or.inr h => Or.inr (succ_le_succ h)
[ 1845, 1 ]
[ 1853, 42 ]
commanddeclaration
182
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.lt_or_ge
protected theorem Nat.lt_or_ge (n m : Nat) : Or (LT.lt n m) (GE.ge n m)
[ 1855, 1 ]
[ 1864, 31 ]
commanddeclaration
183
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.not_succ_le_self
theorem Nat.not_succ_le_self : (n : Nat) → Not (LE.le (succ n) n)
[ 1866, 1 ]
[ 1868, 74 ]
commanddeclaration
184
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.lt_irrefl
protected theorem Nat.lt_irrefl (n : Nat) : Not (LT.lt n n)
[ 1870, 1 ]
[ 1871, 25 ]
commanddeclaration
185
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.lt_of_le_of_lt
protected theorem Nat.lt_of_le_of_lt {n m k : Nat} (h₁ : LE.le n m) (h₂ : LT.lt m k) : LT.lt n k
[ 1873, 1 ]
[ 1874, 40 ]
commanddeclaration
186
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_antisymm
protected theorem Nat.le_antisymm {n m : Nat} (h₁ : LE.le n m) (h₂ : LE.le m n) : Eq n m
[ 1876, 1 ]
[ 1879, 72 ]
commanddeclaration
187
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.lt_of_le_of_ne
protected theorem Nat.lt_of_le_of_ne {n m : Nat} (h₁ : LE.le n m) (h₂ : Not (Eq n m)) : LT.lt n m
[ 1881, 1 ]
[ 1884, 51 ]
commanddeclaration
188
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.le_of_ble_eq_true
theorem Nat.le_of_ble_eq_true (h : Eq (Nat.ble n m) true) : LE.le n m
[ 1886, 1 ]
[ 1889, 61 ]
commanddeclaration
189
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.ble_self_eq_true
theorem Nat.ble_self_eq_true : (n : Nat) → Eq (Nat.ble n n) true
[ 1891, 1 ]
[ 1893, 33 ]
commanddeclaration
190
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.ble_succ_eq_true
theorem Nat.ble_succ_eq_true : {n m : Nat} → Eq (Nat.ble n m) true → Eq (Nat.ble n (succ m)) true
[ 1895, 1 ]
[ 1897, 53 ]
commanddeclaration
191
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.ble_eq_true_of_le
theorem Nat.ble_eq_true_of_le (h : LE.le n m) : Eq (Nat.ble n m) true
[ 1899, 1 ]
[ 1902, 64 ]
commanddeclaration
192
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.not_le_of_not_ble_eq_true
theorem Nat.not_le_of_not_ble_eq_true (h : Not (Eq (Nat.ble n m) true)) : Not (LE.le n m)
[ 1904, 1 ]
[ 1905, 48 ]
commanddeclaration
193
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.decLe
@[extern "lean_nat_dec_le"] instance Nat.decLe (n m : @& Nat) : Decidable (LE.le n m) := dite (Eq (Nat.ble n m) true) (fun h => isTrue (Nat.le_of_ble_eq_true h)) (fun h => isFalse (Nat.not_le_of_not_ble_eq_true h))
[ 1907, 1 ]
[ 1919, 128 ]
commanddeclaration
194
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.decLt
@[extern "lean_nat_dec_lt"] instance Nat.decLt (n m : @& Nat) : Decidable (LT.lt n m) := decLe (succ n) m
[ 1921, 1 ]
[ 1933, 19 ]
commanddeclaration
195
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
Nat.sub
@[extern "lean_nat_sub"] protected def Nat.sub : (@& Nat) → (@& Nat) → Nat | a, 0 => a | a, succ b => pred (Nat.sub a b)
[ 1938, 1 ]
[ 1955, 36 ]
commanddeclaration
196
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
instSubNat
instance instSubNat : Sub Nat where sub := Nat.sub
[ 1957, 1 ]
[ 1958, 17 ]
commanddeclaration
197
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
System.Platform.getNumBits
@[extern "lean_system_platform_nbits"] opaque System.Platform.getNumBits : Unit → Subtype fun (n : Nat) => Or (Eq n 32) (Eq n 64) := fun _ => ⟨64, Or.inr rfl⟩
[ 1960, 1 ]
[ 1969, 28 ]
commanddeclaration
198
.lake/packages/lean4/src/lean/Init/Prelude.lean
[]
System.Platform.numBits
def System.Platform.numBits : Nat := (getNumBits ()).val
[ 1971, 1 ]
[ 1975, 22 ]
commanddeclaration
199