Long Right Double Arrow Symbol (⟹)

The long right double arrow symbol denotes logical implication in math.

Equations - Symbols

Arrow (symbol) - Wikipedia

Arrow symbols. Arrow and direction symbols in Unicode

Arrow Symbols ➩ ➜ ➢ ➥ (Copy & Paste) – Glyphy

Supplemental Arrows-A, ‭⟰ ⟱ ⟲‬, 16 symbols, Unicode Range: 27F0

Double Arrowhead Royalty-Free Images, Stock Photos & Pictures

Arrow Symbol

Double arrow icon two side symbol Royalty Free Vector Image

What does the arrow pointing upward mean in math? - Quora