Thun/docs/reference/LESS-THAN-SIGN•LESS-THAN-SIGN•LEFT-CURLY-BRACKET•RIGHT-CURLY-BRACKET.md

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# \<\<{}

Basis Function Combinator

\[\] rollup

Gentzen diagram.

## Definition

if not basis.

## Derivation

if not basis.

## Source

if basis

## Discussion

Lorem ipsum.

## Crosslinks