Physics Math be like…

  • @aubeynarf
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    254 months ago

    That particular line looks like application of some rule or substitution of a term - on it’s own, simple

    • @[email protected]
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      fedilink
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      114 months ago

      Yep. There’s no rule, it’s only variable substitution.

      It’s a really large substitution, touching several places and etc, but it’s still simply variable substitution.