Theorems · Theorem · real analysis
Real.tan_neg_of_neg_of_pi_div_two_lt
∀ {x : ℝ}, x < 0 → -(Real.pi / 2) < x → Real.tan x < 0- Cited by
- 0 results in Mathlib
- Foundations
- Depth 181 from the axioms · uses propext, Classical.choice, Quot.sound
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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
- Nat.cast_oneproof · cited by 2,501
- Nat.cast_zeroproof · cited by 1,870
- Real.pistatement and proof · cited by 1,774
- lt_of_not_geproof · cited by 374
- Real.tanstatement · cited by 100
- neg_posproof · cited by 74
- Real.tan_negproof · cited by 5
- Real.tan_pos_of_pos_of_lt_pi_div_twoproof · cited by 2
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