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Add new theorems and proofs #26

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13 changes: 1 addition & 12 deletions EasyLean/Basic.lean
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import Mathlib.Data.Real.Basic
import Mathlib.Tactic.Linarith

theorem mathd_algebra_513
(a b : ℝ)
(h₀ : 3 * a + 2 * b = 5)
(h₁ : a + b = 2) :
a = 1 ∧ b = 1 := by
sorry

theorem eq_four : ∀ a b c d : Nat, a = b → a = d → a = c → c = b := by
sorry
import EasyLean.Theorems.mathd_algebra_513
7 changes: 7 additions & 0 deletions EasyLean/Theorems/mathd_algebra_513.lean
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import Mathlib.Data.Real.Basic
import Mathlib.Tactic.Linarith

theorem mathd_algebra_513
(a b : ℝ) (h₀ : 3 * a + 2 * b = 5) (h₁ : a + b = 2) :
a = 1 ∧ b = 1 := by
constructor <;> linarith [h₀, h₁]
3 changes: 3 additions & 0 deletions Main.lean
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import EasyLean.Theorems.mathd_algebra_513

def main : IO Unit := pure ()