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Tape (≍)
≍ 𝕩: Solo
Add a dimension to 𝕩.
≍ 1
≍≍ 1
≍≍≍ 1
≍≍ 1‿2‿3‿4
≍≍≍ 1‿2‿3‿4
𝕨 ≍ 𝕩: Couple
Join 𝕨 and 𝕩 along a newly created axis.
1 ≍ 3
1‿2 ≍ 2‿3
