Triangle in Triangle Symbol ⟁

A lookup for Triangle in Triangle Symbol should first resolve the exact text. The triangle-in-triangle symbol ⟁ is U+27C1 WHITE TRIANGLE CONTAINING SMALL WHITE TRIANGLE. For Triangle in Triangle Symbol, surrounding operators, variables, and delimiters determine how ⟁ functions in a complete expression. Common settings for Triangle in Triangle Symbol include mathematical notation, symbol indexes, technical legends, and Unicode testing. For the triangle in triangle symbol entry, each example keeps ⟁ attached to enough context for a reader to identify the intended role. Triangle in Triangle Symbol rule 1: In mathematical notation, define ⟁ as Triangle in Triangle Symbol before relying on the symbol alone. Triangle in Triangle Symbol rule 2: For symbol indexes, preserve the full encoded sequence U+27C1; do not drop combining marks, superscripts, or component letters. It is not a generic triangle logo, an alchemical emblem, a warning sign, or a circle-and-triangle design. Nearby forms recorded for Triangle in Triangle Symbol are △ — White up-pointing triangle (single outline triangle); ▽ — White down-pointing triangle (inverted outline); ⊿ — Right triangle (mathematical right-triangle character). Triangle in Triangle Symbol mistake check 2: avoid dropping part of U+27C1 while copying triangle in triangle symbol. Triangle in Triangle Symbol mistake check 4: avoid leaving ⟁ unexplained in mathematical notation when readers may assign another meaning. This page covers the exact Unicode character ⟁.