Find the mathematical symbol: ≮≯≡∫∮∝∞∈∩∪∏∨∧‖∠⌒. What do you mean, what do you mean?
≮ not less than, ≯ not greater than, ≡ constant equals, ∫ integral, ∮ definite integral, ∝ proportional, ∞ infinite, ∈ belonging to, ∩ intersection of sets, ∪ union of sets, ∏ symbol of multiplication,