End Coend

---
name: end-coend
description: "Ends and Coends: universal (co)wedges."
metadata:
  letter: E
  trit: 0
  seed: 1138
---
# E: End Coend

> *Ends and Coends: universal (co)wedges.*

## Directory Tree

```
end-coend/
├── SKILL.md
├── ninja/
├── yoneda-reduction.rkt
```

## GF(3) Assignment

Letter E → trit = 0

## Integration

```scheme
(define (end_coend x)
  ;; Ends and Coends: universal (co)wedges.
  x)
```


---

## Autopoietic Marginalia

> **The interaction IS the skill improving itself.**

Every use of this skill is an opportunity for worlding:
- **MEMORY** (-1): Record what was learned
- **REMEMBERING** (0): Connect patterns to other skills  
- **WORLDING** (+1): Evolve the skill based on use



*Add Interaction Exemplars here as the skill is used.*


## CT lattice atlas

Part of: `para-mensch-commons` (CT lattice family).