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Operand '/=' in rules section

Description

On value dependent existence part of ADL 2 (the https://www.openehr.org/releases/AM/latest/docs/ADL2/ADL2.html#_value_dependent_existence) the example rule:

Substance_use: $substance_use_status /= [at17] implies exists /data[id2]/items[id8] – [at17] = 'never used'

contains a '/=', which is never used again in the rules specification or in the Expression Language and Model documentation.

Should '=' be used instead?

Environment

None

Status

Reporter

Diego Bosca

Labels

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Components

Priority

Trivial