rootiest
4a1533b189
Add 21 Greek letters (gamma–psi, completing the full alphabet), six blackboard-bold number-set symbols (ℝ ℕ ℤ ℚ ℂ ℵ), and 44 new math entries covering calculus (∫ ∂ ∇ ∑ ∏), set theory (∈ ∉ ⊂ ⊆ ∪ ∩ ∅), logic (∀ ∃ ∧ ∨ ⟹ ⟺), geometry (∠ ⊥ ∥), and floor/ceiling brackets. Aliases provided for longer sequences (eps→ε, prt→∂, ups→υ, omi→ο, ang→∠). Disambiguation notes added for mu/mute, sub/subeq, sup/supeq.