Information is carried in Forms that are **not equivalent**, while *not equivalent* is defined by the Absence of transformation Paths.
~
BRICKEN, William, 2019. Iconic Arithmetic Volume II: Symbolic and Postsymbolic Formal Foundations. Unary press. ISBN 978-1-73248-514-3, p. 28. page 
, pdf
DOT FROM two-level-diagram
⇒ carry
The Path Dialect shows a Traversal across Fences rather than through Doors.