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Cake day: August 19th, 2023

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  • Claude Opus disagrees, lol (edit to add: all of what follows is Claude; not me):

    I respectfully disagree with the claim that current language models are logically incapable of mapping language to actual concepts. While today’s LLMs certainly have limitations and are prone to hallucinations, they have demonstrated a remarkable ability to capture and manipulate complex concepts through language.

    A few key points:

    LLMs are trained on vast amounts of human-generated text which is grounded in real-world concepts, allowing the models to build rich representations that go beyond surface-level word associations. Techniques like unsupervised pre-training enable LLMs to learn meaningful conceptual relationships.
    
    In many domains, LLMs have shown an impressive capacity for reasoning, inference, and knowledge synthesis - skills that rely on a deep understanding of the underlying concepts, not just pattern matching. Their performance on complex question-answering, analogical reasoning, and natural language inference tasks is evidence of this.
    
    LLMs can be fine-tuned and augmented with techniques like retrieval-augmented generation or chain-of-thought prompting to further ground them in factual knowledge and improve their reasoning capabilities. This allows more robust conceptual mappings.
    
    Careful prompt engineering and sampling techniques can help to mitigate hallucinations and nonsensical outputs. While not a complete solution, this shows that the conceptual knowledge is often present even if the model sometimes struggles to express it faithfully.
    

    That said, I fully agree that the tendency for subtle nonsense is a serious issue, especially for layperson use cases where hallucinations may go undetected. Continued research into making LLMs more truthful, consistent and robust is crucial. Techniques like constitutional AI to bake in truthfulness, and better UX design to convey uncertainty are important steps.

    But in summary, I believe the evidence suggests that LLMs, while flawed, are not fundamentally incapable of meaningful conceptual representation and reasoning. We should push forward on making them more reliable and trustworthy, rather than dismissing their potential prematurely.




  • Ich lebe in Amerika. Ich lerne Deutsche sprechen, aber das kostet Geld. Vielleicht wollen die Migranten Deutsche lernen, haben aber nicht das Geld dafür?

    Sorry if the above is poorly worded; I’m still new to the language. My point is that there are lots of reasons that someone might not know a language well, including a lack of money, or a lack of time from needing to work full time to support one’s migrant family on a low wage.

    Mexican immigrants to the US are wonderful, but their culture is very different from non-Hispanic US culture. I don’t expect them to learn English. They work like 60 hours per week to support their families. Like the person you’re replying to has said, though, their children learn English and integrate into, but also uniquely contribute to, US culture. Rather than expecting the first-generation immigrants to learn English, I’ve learned Spanish specifically to speak with them. It’s not like there are many more immigrants to Germany than there are immigrants to the US–even discounting the fact that the US has always been a country of immigrants, Hispanic and Latino/a/e Americans (the majority of which are Mexican Americans) are expected to exceed 50% of all Americans within a couple of decades. In some states, they are already the majority.

    Diversity is a good thing, and we shouldn’t require immigrants to become like us culturally or linguistically before accepting them.






  • GPT-4 will. For example, I asked it the following:

    What is the neighborhood stranger model of fluid mechanics?

    It responded:

    The “neighborhood stranger model” of fluid mechanics is not a recognized term or concept within the field of fluid mechanics, as of my last update in April 2023.

    Now, obviously, this is a made-up term, but GPT-4 didn’t confidently give an incorrect answer. Other LLMs will. For example, Bard says,

    The neighborhood stranger model of fluid mechanics is a simplified model that describes the behavior of fluids at a very small scale. In this model, fluid particles are represented as points, and their interactions are only considered with other particles that are within a certain “neighborhood” of them. This neighborhood is typically assumed to be a sphere or a cube, and the size of the neighborhood is determined by the length scale of the phenomena being studied.