- Removed left cell access, it can be reimplemented with eval4: ```cell/ [a, b] => eval! [4, [1, [a, b]]]``` - Modified eval dispatching to use flat numbering, instead of hierarchical. Just for simplicity of implementation. Signed-off-by: Martin Evans <martindevans@gmail.com>

martindevans committed Jun 5, 2016

- Expanded definition of subtraction slightly (handles subtraction of complete trees). - Removed addition, it can be implemented with subtraction: a + b => a - (-b) Signed-off-by: Martin Evans <martindevans@gmail.com>

martindevans committed Jun 4, 2016

First pass spec for intent Signed-off-by: Martin Evans <martindevans@gmail.com>

martindevans committed Jun 3, 2016

Initial commit Signed-off-by: Martin Evans <martindevans@gmail.com>

martindevans committed May 30, 2016