| Mathbox for Norm Megill |
< Previous
Next >
Related theorems Unicode version |
| Description: The covers relation is not transitive. (Th. cvntr 11864 analog.) |
| Ref | Expression |
|---|---|
| cvrntr.b |
|
| cvrntr.c |
|
| Ref | Expression |
|---|---|
| cvrntr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpr1 882 |
. . . . 5
| |
| 2 | simpr3 884 |
. . . . 5
| |
| 3 | simpr2 883 |
. . . . 5
| |
| 4 | 1, 2, 3 | 3jca 1050 |
. . . 4
|
| 5 | cvrntr.b |
. . . . . 6
| |
| 6 | eqid 1884 |
. . . . . 6
| |
| 7 | cvrntr.c |
. . . . . 6
| |
| 8 | 5, 6, 7 | cvrnbtwn 16990 |
. . . . 5
|
| 9 | 8 | 3expia 1069 |
. . . 4
|
| 10 | 4, 9 | syldan 516 |
. . 3
|
| 11 | 10 | con2d 107 |
. 2
|
| 12 | 5, 6, 7 | cvrlt 16989 |
. . . 4
|
| 13 | 12 | ex 402 |
. . 3
|
| 14 | 13 | 3adant3r3 1079 |
. 2
|
| 15 | 5, 6, 7 | cvrlt 16989 |
. . . 4
|
| 16 | 15 | ex 402 |
. . 3
|
| 17 | 16 | 3adant3r1 1077 |
. 2
|
| 18 | 11, 14, 17 | syl2and 508 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: atcvr0eq 17064 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-id 3586 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fv 4014 df-mpt 5006 df-covers 16984 |