• 0 Posts
  • 27 Comments
Joined 2 years ago
Cake day: July 11th, 2023
  • raoul@lemmy.sdf.orgtoScience Memes@mander.xyz•if statement == falseEnglish
    59·
    7 months ago

    The boolean operator ‘If and only if’ do not have a relation with the program instruction ‘if’.

    The programatic ‘if’ is a jump, not a boolean operator. It do not have truth table.

    In logic:, if and iff can be seen like functions taking two booleans and returning a boolean

    • ‘if a then b’ (noted a -> b): return true if a is false or b is true. Example: ‘if I eat pizza then I fart’ This is true even if I fart all the time (if b is true, we do not care about the value of a) as long as I fart when eating pizza (if a is true, b must be also true)

    • ‘a <-> b’ is equivalent to ‘a -> b and b -> a’: the two should be true at the same time. I can only fart will eating pizza and cannot fart otherwise.

  • raoul@lemmy.sdf.orgtopolitics @lemmy.world•I spent hours trying to persuade US voters to choose Harris not Trump. I know why she lost | Oliver Hall
    9·
    8 months ago

    I think that the problem is that the metric used for measuring the wages growth is an average:

    In a society where most of the wealth goes to a few, an average is not necessarily a good measure:

    I like this image from this article from the fed

    showing the part of the population having raises above the CPI

    They have the following remark below this graph:

    For example, about 57 percent of the WGT sample had positive real wage gains during 2019, whereas during 2022, only 45 percent of people had positive real wage growth. Put another way, despite higher median nominal wage growth, the share of people with positive real wage growth between 2019 and 2022 due to higher inflation fell by 12 percentage points.

    Edit, from the bottom of the article:

    Your own wage growth experience might not look like that of your neighbors or your colleagues, and it might not resemble that of the person with median wage growth either.