phanerozoic / threshold-atmost3outof4

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Total runs: 5
24-hour runs: 0
7-day runs: 1
30-day runs: 0
Model's Last Updated: January 24 2026

Introduction of threshold-atmost3outof4

Model Details of threshold-atmost3outof4

threshold-atmost3outof4

At most 3 of 4 inputs high. Equivalent to 4-input NAND gate.

Function

atmost3outof4(a, b, c, d) = 1 if (a + b + c + d) <= 3, else 0

Equivalently: NAND(a, b, c, d) = NOT(a AND b AND c AND d)

Truth Table
a b c d sum out
0 0 0 0 0 1
0 0 0 1 1 1
0 0 1 1 2 1
0 1 1 1 3 1
1 1 1 1 4 0
Architecture

Single neuron: weights [-1, -1, -1, -1], bias 3

Fires when: -a - b - c - d + 3 >= 0, i.e., sum <= 3

Parameters
Inputs 4
Outputs 1
Neurons 1
Layers 1
Parameters 5
Magnitude 7
Usage
from safetensors.torch import load_file
import torch

w = load_file('model.safetensors')

def atmost3of4(a, b, c, d):
    inp = torch.tensor([float(a), float(b), float(c), float(d)])
    return int((inp @ w['neuron.weight'].T + w['neuron.bias'] >= 0).item())

print(atmost3of4(0, 1, 1, 1))  # 1 (sum=3)
print(atmost3of4(1, 1, 1, 1))  # 0 (sum=4)
License

MIT

Runs of phanerozoic threshold-atmost3outof4 on huggingface.co

5
Total runs
0
24-hour runs
0
3-day runs
1
7-day runs
0
30-day runs

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threshold-atmost3outof4 huggingface.co is an AI model on huggingface.co that provides threshold-atmost3outof4's model effect (), which can be used instantly with this phanerozoic threshold-atmost3outof4 model. huggingface.co supports a free trial of the threshold-atmost3outof4 model, and also provides paid use of the threshold-atmost3outof4. Support call threshold-atmost3outof4 model through api, including Node.js, Python, http.

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threshold-atmost3outof4 install

threshold-atmost3outof4 is an open source model from GitHub that offers a free installation service, and any user can find threshold-atmost3outof4 on GitHub to install. At the same time, huggingface.co provides the effect of threshold-atmost3outof4 install, users can directly use threshold-atmost3outof4 installed effect in huggingface.co for debugging and trial. It also supports api for free installation.

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https://huggingface.co/phanerozoic/threshold-atmost3outof4

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Total runs: 36
Run Growth: -12
Growth Rate: -33.33%
Updated:April 28 2026