Talk:Porcupine extensions

Decanonize tridecimal porcupine

Leriendil believes the current "tridecimal porcupine" should be decanonized in favor of porcupinefish, because tridecimal porcupine's mapping isn't even porky's best mapping of 13, let alone septimal porcupine's. -- VectorGraphics (talk) 20:25, 15 May 2025 (UTC)

I disagree. Negri is extended the same way as tridecimal porcupine so there's a pattern.

Porky is irrelevant for how undecimal porcupine should be extended.

I'll sort this out with Leri.

FloraC (talk) 15:00, 16 May 2025 (UTC)

Negri is not extended the same way as tridecimal porcupine. Negri maps 16/13 to 5/4 (which only works because 5/4 is already flat). Tridecimal porcupine maps 16/13 to 6/5, which is not only worse but loses both simple neutral thirds to 6/5. In any case, 5/4 is usually sharp (or at least approximately just) in septimal porcupine, meaning neither mapping works well. --VectorGraphics (talk) 02:41, 17 May 2025 (UTC)

I was talking about how negri extends to the 11-limit, not 13. FloraC (talk) 09:23, 17 May 2025 (UTC)

Leriendil also disagrees with the canonical negri extension. -- VectorGraphics (talk) 18:24, 17 May 2025 (UTC)

We came to the compromise where we'll decanonicalize both tridecimal porcupine and undecimal negri without recanonicalizing different extensions. FloraC (talk) 13:21, 19 May 2025 (UTC)