This set of symbols also includes the following contents

∩ (union), ∩ (intersection), ∈ (belonging to)

Other mathematical symbols

Operation symbol

Such as plus sign (+), minus sign (-), multiplication sign (× or), division sign (÷ or/), union of two sets (∩), intersection (∩), root sign (∩ ~), logarithm (log, lg, ln,

Relational character

For example, "=" is an equal sign, "≈" is an approximate sign, "≦" is an unequal sign and ">" is a greater than sign. "

"→" indicates the changing trend of variables, "∽" is a similar symbol, ""is a complete equal sign, "∨" is a parallel symbol, "⊥" is a vertical symbol, "∝" is a direct proportion symbol (inverse relation can be used to indicate inverse proportion), and "∈" belongs to. Contained in the symbol "?" Where is the inclusion symbol, "|" means "divisible"