⌜
𝕨 𝔽⌜ 𝕩
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Apply 𝔽 between every possible pair of the elements of the arguments.
𝔽
1‿2‿3‿4 +⌜ 4‿5‿6‿7 ┌─ ╵ 5 6 7 8 6 7 8 9 7 8 9 10 8 9 10 11 ┘ "abc" ∾⌜ "xyz" ┌─ ╵ "ax" "ay" "az" "bx" "by" "bz" "cx" "cy" "cz" ┘