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| Description: Closure of intersection of two subspaces. |
| Ref | Expression |
|---|---|
| shincl.1 |
|
| shincl.2 |
|
| Ref | Expression |
|---|---|
| shincl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shincl.1 |
. . . 4
| |
| 2 | 1 | elisseti 1818 |
. . 3
|
| 3 | shincl.2 |
. . . 4
| |
| 4 | 3 | elisseti 1818 |
. . 3
|
| 5 | 2, 4 | intpr 2563 |
. 2
|
| 6 | 1, 3 | pm3.2i 285 |
. . . . 5
|
| 7 | 2, 4 | prss 2471 |
. . . . 5
|
| 8 | 6, 7 | mpbi 189 |
. . . 4
|
| 9 | 2 | prnz 2459 |
. . . 4
|
| 10 | 8, 9 | pm3.2i 285 |
. . 3
|
| 11 | 10 | shintcl 9293 |
. 2
|
| 12 | 5, 11 | eqeltrr 1545 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: shinclt 9351 shmods 9362 shmod 9363 5oalem1 9599 5oalem3 9601 5oalem5 9603 5oalem6 9604 5oa 9606 3oalem2 9608 3oalem6 9612 cdj3lem1 10361 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-sep 2703 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-hilex 8869 ax-hv0cl 8873 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-ral 1649 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-uni 2504 df-int 2534 df-br 2620 df-opab 2667 df-xp 3184 df-cnv 3186 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fv 3198 df-opr 3965 df-sh 9076 |