Description: Closure for a numeral (with units place). (Contributed by Mario Carneiro, 18-Feb-2014)
Ref | Expression | ||
---|---|---|---|
Hypotheses | numnncl.1 | ||
numnncl.2 | |||
numnncl.3 | |||
Assertion | numnncl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | numnncl.1 | ||
2 | numnncl.2 | ||
3 | numnncl.3 | ||
4 | 1 2 | nn0mulcli | |
5 | nn0nnaddcl | ||
6 | 4 3 5 | mp2an |