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| Mirrors > Home > ILE Home > Th. List > 3anass | GIF version | ||
| Description: Associative law for triple conjunction. (Contributed by NM, 8-Apr-1994.) |
| Ref | Expression |
|---|---|
| 3anass | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) ↔ (𝜑 ∧ (𝜓 ∧ 𝜒))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-3an 1006 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) ↔ ((𝜑 ∧ 𝜓) ∧ 𝜒)) | |
| 2 | anass 401 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) ↔ (𝜑 ∧ (𝜓 ∧ 𝜒))) | |
| 3 | 1, 2 | bitri 184 | 1 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) ↔ (𝜑 ∧ (𝜓 ∧ 𝜒))) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ↔ wb 105 ∧ w3a 1004 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 |
| This theorem is referenced by: 3anrot 1009 3anan12 1016 anandi3 1017 3biant1d 1391 3exdistr 1964 r3al 2576 ceqsex2 2844 ceqsex3v 2846 ceqsex4v 2847 ceqsex6v 2848 ceqsex8v 2849 eldifpr 3696 rexdifpr 3697 trel3 4195 sowlin 4417 dff1o4 5591 mpoxopovel 6406 dfsmo2 6452 ecopovtrn 6800 ecopovtrng 6803 elixp2 6870 elixp 6873 mptelixpg 6902 eqinfti 7218 distrnqg 7606 recmulnqg 7610 ltexnqq 7627 enq0tr 7653 distrnq0 7678 genpdflem 7726 distrlem1prl 7801 distrlem1pru 7802 divmulasscomap 8875 muldivdirap 8886 divmuldivap 8891 prime 9578 eluz2 9760 raluz2 9812 elixx1 10131 elixx3g 10135 elioo2 10155 elioo5 10167 elicc4 10174 iccneg 10223 icoshft 10224 elfz1 10247 elfz 10248 elfz2 10249 elfzm11 10325 elfz2nn0 10346 elfzo2 10384 elfzo3 10398 lbfzo0 10419 fzind2 10484 zmodid2 10613 swrdccatin1 11305 swrdccat 11315 redivap 11434 imdivap 11441 maxleast 11773 cosmul 12305 bitsval 12503 bitsmod 12516 bitscmp 12518 dfgcd2 12584 lcmneg 12645 coprmgcdb 12659 divgcdcoprmex 12673 cncongr1 12674 cncongr2 12675 difsqpwdvds 12910 elgz 12943 xpsfrnel 13426 xpsfrnel2 13428 mgmsscl 13443 ismhm 13543 mhmpropd 13548 issubm 13554 issubg 13759 eqglact 13811 eqgid 13812 ecqusaddd 13824 ecqusaddcl 13825 isrng 13946 issrg 13977 srglmhm 14005 srgrmhm 14006 isring 14012 ringlghm 14073 dfrhm2 14167 issubrng 14212 issubrg3 14260 islmod 14304 islssm 14370 islssmg 14371 lsspropdg 14444 qusmulrng 14545 lmbrf 14938 uptx 14997 txcn 14998 xmetec 15160 bl2ioo 15273 lgsmodeq 15773 lgsmulsqcoprm 15774 uspgredg2v 16071 wksfval 16172 wlkeq 16204 isclwwlk 16244 clwwlkbp 16245 isclwwlknx 16266 clwwlknp 16267 clwwlkn1 16268 clwwlkn2 16271 clwwlknonel 16282 findset 16540 |
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