Documentation

Mathlib.Algebra.Order.Monoid.NatCast

Order of numerals in an AddMonoidWithOne. #

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theorem lt_add_one {α : Type u_1} [One α] [AddZeroClass α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftStrictMono α] (a : α) :
a < a + 1
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theorem lt_one_add {α : Type u_1} [One α] [AddZeroClass α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddRightStrictMono α] (a : α) :
a < 1 + a
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theorem zero_le_two {α : Type u_1} [AddMonoidWithOne α] [Preorder α] [ZeroLEOneClass α] [AddLeftMono α] :
0 ≤ 2
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theorem zero_le_three {α : Type u_1} [AddMonoidWithOne α] [Preorder α] [ZeroLEOneClass α] [AddLeftMono α] :
0 ≤ 3
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theorem zero_le_four {α : Type u_1} [AddMonoidWithOne α] [Preorder α] [ZeroLEOneClass α] [AddLeftMono α] :
0 ≤ 4
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theorem one_le_two {α : Type u_1} [AddMonoidWithOne α] [LE α] [ZeroLEOneClass α] [AddLeftMono α] :
1 ≤ 2
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theorem one_le_two' {α : Type u_1} [AddMonoidWithOne α] [LE α] [ZeroLEOneClass α] [AddRightMono α] :
1 ≤ 2
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@[simp]
theorem zero_lt_two {α : Type u_1} [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 2

See zero_lt_two' for a version with the type explicit.

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@[simp]
theorem zero_lt_three {α : Type u_1} [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 3

See zero_lt_three' for a version with the type explicit.

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@[simp]
theorem zero_lt_four {α : Type u_1} [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 4

See zero_lt_four' for a version with the type explicit.

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theorem zero_lt_two' (α : Type u_1) [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 2

See zero_lt_two for a version with the type implicit.

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theorem zero_lt_three' (α : Type u_1) [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 3

See zero_lt_three for a version with the type implicit.

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theorem zero_lt_four' (α : Type u_1) [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 4

See zero_lt_four for a version with the type implicit.

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theorem ZeroLEOneClass.neZero.two (α : Type u_1) [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
NeZero 2
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theorem ZeroLEOneClass.neZero.three (α : Type u_1) [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
NeZero 3
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theorem ZeroLEOneClass.neZero.four (α : Type u_1) [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
NeZero 4
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theorem one_lt_two {α : Type u_1} [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftStrictMono α] :
1 < 2
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theorem two_pos {α : Type u_1} [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 2

Alias of zero_lt_two.

See zero_lt_two' for a version with the type explicit.

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theorem three_pos {α : Type u_1} [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 3

Alias of zero_lt_three.

See zero_lt_three' for a version with the type explicit.

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theorem four_pos {α : Type u_1} [AddMonoidWithOne α] [PartialOrder α] [ZeroLEOneClass α] [NeZero 1] [AddLeftMono α] :
0 < 4

Alias of zero_lt_four.

See zero_lt_four' for a version with the type explicit.