🛤️ Decisions tracking issue

[expede]

Link	Topic	Status	Notes
#8	Default to universal quantification	✅🤝	Universal is default
#7	Existential quantification syntax	🗣️	some, includes(soliciting opinions from others)
#11	Explicit null to omit subject	🗣️	null, did:*
#6	Bytes & links: JSON vs IPLD	✅🤝	Treat as IPLD
#5	Selector binding sugar	✅🤝	e.g. [">", ".foo", 0] ❤️
#10	Context/args syntax	🗣️	$, ?, .