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| Description: Commutative law for join
in |
| Ref | Expression |
|---|---|
| ch0le.1 |
|
| chjcl.2 |
|
| Ref | Expression |
|---|---|
| chjcom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ch0le.1 |
. . 3
| |
| 2 | 1 | chshi 9097 |
. 2
|
| 3 | chjcl.2 |
. . 3
| |
| 4 | 3 | chshi 9097 |
. 2
|
| 5 | 2, 4 | shjcom 9340 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: chub2 9393 chnle 9408 chj12 9445 lejdir 9462 cmcm2 9536 cmbr3 9543 qlax2 9569 osumcor2 9590 3oalem5 9611 pjcj 9629 mdslj2 10247 mdsl1 10248 cvmd 10251 mdslmd2 10257 mdexch 10262 cvexch 10296 atabs 10328 mdsymlem1 10330 mdsymlem6 10335 mdsymlem8 10337 sumdmdlem2 10346 dmdbr5at 10349 |
| 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-9 965 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 |
| 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-rex 1650 df-v 1812 df-sbc 1942 df-csb 2002 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-br 2620 df-opab 2667 df-id 2835 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fv 3198 df-opr 3965 df-oprab 3966 df-sh 9076 df-ch 9092 df-chj 9275 |