Bra

Bra[{b₁,b₂,…}]

displays as $TemplateBox[{{{b, _, {(, 1, )}}, ,, {b, _, {(, 2, )}}, ,, ...}}, Bra]$ .

Details

Bra[{b₁,b₂,…}] has no built-in meaning.
$TemplateBox[{{{b, _, {(, 1, )}}, ,, {b, _, {(, 2, )}}, ,, ...}}, Bra]$ is by default interpreted as Bra[{b₁,b₂,…}].
An empty template can be entered as bra.

Bra[{b}] is formatted as a bra in Dirac notation:

Define the anti-linearity of bras:

Clear definitions:

Use bra to create an empty template and then type in arguments:

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