| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > ltled | Unicode version | ||
| Description: 'Less than' implies 'less than or equal to'. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| ltd.1 |
|
| ltd.2 |
|
| ltled.1 |
|
| Ref | Expression |
|---|---|
| ltled |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltled.1 |
. 2
| |
| 2 | ltd.1 |
. . 3
| |
| 3 | ltd.2 |
. . 3
| |
| 4 | ltle 8114 |
. . 3
| |
| 5 | 2, 3, 4 | syl2anc 411 |
. 2
|
| 6 | 1, 5 | mpd 13 |
1
|
| Copyright terms: Public domain | W3C validator |