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| Description: Associative law for triple conjunction. |
| Ref | Expression |
|---|---|
| 3anass |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-3an 775 |
. 2
| |
| 2 | anass 439 |
. 2
| |
| 3 | 1, 2 | bitr 173 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3anrot 778 3exdistr 1307 eeeanv 1319 mopick2 1429 r3al 1682 trel3 2678 trssord 2955 ordelord 2960 dflim2 3015 dflim4 3109 find 3145 brinxp2 3221 fncnv 3547 f1o2 3678 f1o4 3681 f1ocnv 3686 ndmoprass 4034 ndmoprdistr 4035 ecopoprtrn 4295 elixp2 4333 elixp 4334 zorn2lem7 4766 distrpq 5039 ltexpq 5052 distrlem3pr 5101 divdivdivt 5741 dfnn2 5884 sup3 5999 primet 6142 elioo1t 6315 elioo2t 6316 elioo3g 6317 elioc1t 6319 elico1t 6320 elicc1t 6321 elioc2t 6322 elico2t 6323 elicc2t 6324 ioossicc 6330 ioonegt 6339 iccnegt 6340 icoshft 6341 icounlem 6345 snunioolem 6347 eluz2t 6353 raluz2 6375 elfz1t 6402 elfzt 6403 elfz2t 6404 climcmplem 7073 iserzcmp0 7079 efsubt 7313 efcn 7363 istps3 7550 neindisj 7672 bl2ioo 7850 lmbrf 7868 lmclim 7898 bcthlem14 7946 bcthlem31 7963 issubg 8053 pilem1 8590 pilem3 8592 pigt2lt4 8594 grothprim 8722 h2hlm 8789 adjvalt 9731 dmadjss 9736 eleigvect 9797 lediv2itALT 10276 abfi 10349 ficli 10368 cdrci 10381 hmeogrp 10425 isalg 10497 algi 10504 ishomb 10560 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-3an 775 |