AgreeableLandscapeM to Math Humor · il y a 3 ansSemi closed or semi openimagemessage-square6fedilinkarrow-up112arrow-down10
arrow-up112arrow-down1imageSemi closed or semi openAgreeableLandscapeM to Math Humor · il y a 3 ansmessage-square6fedilink
minus-squarecarbon_datedlinkfedilinkarrow-up3·il y a 3 ansI never saw that notation. I learned to write ]a, b] instead.
minus-squarexarvoslinkfedilinkarrow-up4·il y a 3 ansThat’s French notation iirc. More intuitive imo, but its parentheses are also mismatching.
minus-squarecarbon_datedlinkfedilinkarrow-up4·il y a 3 ansYeah, they do mismatch. I just mentioned it because I was unfamiliar with the notation in the image. You could also write {x ∊ ℝ : x > a ⋀ x ≤ b} or [a, b]\{a}
I never saw that notation. I learned to write
]a, b]instead.That’s French notation iirc. More intuitive imo, but its parentheses are also mismatching.
Yeah, they do mismatch. I just mentioned it because I was unfamiliar with the notation in the image. You could also write
{x ∊ ℝ : x > a ⋀ x ≤ b}or[a, b]\{a}