Description: The composition (product) of trace-preserving endormorphisms is nonzero when each argument is nonzero. (Contributed by NM, 8-Aug-2013)
Ref | Expression | ||
---|---|---|---|
Hypotheses | tendoid0.b | |
|
tendoid0.h | |
||
tendoid0.t | |
||
tendoid0.e | |
||
tendoid0.o | |
||
Assertion | tendoconid | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tendoid0.b | |
|
2 | tendoid0.h | |
|
3 | tendoid0.t | |
|
4 | tendoid0.e | |
|
5 | tendoid0.o | |
|
6 | 1 2 3 | cdlemftr0 | |
7 | 6 | 3ad2ant1 | |
8 | simpl1 | |
|
9 | simpl3l | |
|
10 | 2 3 4 | tendof | |
11 | 8 9 10 | syl2anc | |
12 | simprl | |
|
13 | fvco3 | |
|
14 | 11 12 13 | syl2anc | |
15 | simpl2r | |
|
16 | simpl2l | |
|
17 | 2 3 4 | tendocl | |
18 | 8 9 12 17 | syl3anc | |
19 | simpl3r | |
|
20 | simpr | |
|
21 | 1 2 3 4 5 | tendoid0 | |
22 | 8 9 20 21 | syl3anc | |
23 | 22 | necon3bid | |
24 | 19 23 | mpbird | |
25 | 1 2 3 4 5 | tendoid0 | |
26 | 8 16 18 24 25 | syl112anc | |
27 | 26 | necon3bid | |
28 | 15 27 | mpbird | |
29 | 14 28 | eqnetrd | |
30 | 2 4 | tendococl | |
31 | 8 16 9 30 | syl3anc | |
32 | 1 2 3 4 5 | tendoid0 | |
33 | 8 31 20 32 | syl3anc | |
34 | 33 | necon3bid | |
35 | 29 34 | mpbid | |
36 | 7 35 | rexlimddv | |