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[-] Shapillon@lemmy.world 2 points 13 hours ago* (last edited 8 hours ago)

iff is the shorthand for "if and only if".

If you said "if it is a horse it has hooves" you can infer "all horses have hooves" but not that "all hooved creatures are horses".

Otoh if you said "iff a polygon has 3 sides, it is a triangle" you can infer that all polygons that have 3 sides are triangles and that there are no other ways to make triangles.

edit: This was typed by sleep deprived me, I tried to fix it.

[-] imaqtpie@lemmy.myserv.one 2 points 11 hours ago
[-] Shapillon@lemmy.world 2 points 8 hours ago

Omg I have no clue how you understood anything from my previous comment.

It was such a mess lmao

[-] imaqtpie@lemmy.myserv.one 2 points 6 hours ago* (last edited 6 hours ago)

Well I mostly was already familiar with "if and only if" terminology from some math class many years ago. So once you said iff stands for "if and only if" I didn't really look too close at the rest of your comment because I felt like I already understood.

this post was submitted on 21 Oct 2024
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