-
**Theorem** If _f: N \to N_ is such that f(n) = f(n+1) for all n, then f(n) = f(0) for all n.
This is to be proved separately using:
- code: verify types
- deduction: just searching, with learning
- …
-
This is a subtask of issue #285.
A `PMATCH` expression for expresion `MEM x l` is
```
PMATCH l [
PMATCH_ROW (\(uv:unit). []) (\uv. T) (\uv. F);
PMATCH_ROW (\(y,ys). y::ys) (\(y,ys). x = y) (\(y,…
-
## Issue description
There seem to be a linking bug, while trying to compile the z3 haskell package. It seams like the language is correctly loaded, but the versions between the z3 haskell package an…
-
Hi, I am learning AI but not very familiar with Python, I'm not quite understand the input part, could you please give an example of the input if there is constant or function? For example, the clause…
-
There seems to be a missing method for length when used on a filtered generator.
```
julia> length(i for i = 1:5)
5
length(filter(i -> i>3, i for i = 1:5))
ERROR: MethodError: no method matching …
-
I'm guessing it would be relatively straightforward to extend the `induction` tactic to include support for simultaneous induction, as follows:
`induction on (i1,...,ik)` would introduce an IH wher…
-
I am a new user of Lean (in fact I have just read the tutorial, but have not yet installed the program). The feature to support duality (such as categorical duality or order duality) is not described …
-
For someone without experience with OPAM, installing coq is not the most intuitive. I've heard a lot about using OPAM to install Coq 8.5 rc1, so I naively ran
```
opam init
opam repo add coq-core-dev…
-
# Allow single backticks everywhere double backtickes are used
Double backticks introduce too much visual noise, which prevent people to use more self-explaining names.
## Pros and Cons
The …
-
The link to the original paper is offline, but can be found on the wayback machine at archive.org.
The original paper has:
> We write ‘a’ to mean the expression a whose value is a itself, as distinc…