more about pointed truncated types, including pointed sets. also increase the priority of some basic instances that nat/num/pos_num/trunc_index have 0, 1 and + (in both libraries) also move the notation + for sum into the namespace sum, to (sometimes) avoid overloading with add |
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| .. | ||
| algebra | ||
| data | ||
| examples | ||
| init | ||
| logic | ||
| theories | ||
| tools | ||
| .gitignore | ||
| .project | ||
| library.md | ||
| standard.lean | ||