Theorems · Theorem · real analysis
Real.pi_le_four
Real.pi ≤ 4
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 173 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Realstatement and proof · cited by 25,697
- Real.pistatement · cited by 1,774
- zero_lt_twoproof · cited by 124
- div_le_div_iff_of_pos_rightproof · cited by 20
- Real.pi_div_two_le_twoproof · cited by 1
Cited by3
Results whose statement or proof uses this declaration.
- Real.sin_pos_of_pos_of_lt_piproof · cited by 11
- NumberField.abs_discr_geproof · cited by 2
- Real.pi_lt_sqrtTwoAddSeriesproof · cited by 1