| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 1004 | . 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 1002 |
| 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 1004 |
| This theorem is referenced by: 3anrot 1007 3anan12 1014 anandi3 1015 3biant1d 1389 3exdistr 1962 r3al 2574 ceqsex2 2842 ceqsex3v 2844 ceqsex4v 2845 ceqsex6v 2846 ceqsex8v 2847 eldifpr 3694 rexdifpr 3695 trel3 4193 sowlin 4415 dff1o4 5588 mpoxopovel 6402 dfsmo2 6448 ecopovtrn 6796 ecopovtrng 6799 elixp2 6866 elixp 6869 mptelixpg 6898 eqinfti 7210 distrnqg 7597 recmulnqg 7601 ltexnqq 7618 enq0tr 7644 distrnq0 7669 genpdflem 7717 distrlem1prl 7792 distrlem1pru 7793 divmulasscomap 8866 muldivdirap 8877 divmuldivap 8882 prime 9569 eluz2 9751 raluz2 9803 elixx1 10122 elixx3g 10126 elioo2 10146 elioo5 10158 elicc4 10165 iccneg 10214 icoshft 10215 elfz1 10238 elfz 10239 elfz2 10240 elfzm11 10316 elfz2nn0 10337 elfzo2 10375 elfzo3 10389 lbfzo0 10410 fzind2 10475 zmodid2 10604 swrdccatin1 11296 swrdccat 11306 redivap 11425 imdivap 11432 maxleast 11764 cosmul 12296 bitsval 12494 bitsmod 12507 bitscmp 12509 dfgcd2 12575 lcmneg 12636 coprmgcdb 12650 divgcdcoprmex 12664 cncongr1 12665 cncongr2 12666 difsqpwdvds 12901 elgz 12934 xpsfrnel 13417 xpsfrnel2 13419 mgmsscl 13434 ismhm 13534 mhmpropd 13539 issubm 13545 issubg 13750 eqglact 13802 eqgid 13803 ecqusaddd 13815 ecqusaddcl 13816 isrng 13937 issrg 13968 srglmhm 13996 srgrmhm 13997 isring 14003 ringlghm 14064 dfrhm2 14158 issubrng 14203 issubrg3 14251 islmod 14295 islssm 14361 islssmg 14362 lsspropdg 14435 qusmulrng 14536 lmbrf 14929 uptx 14988 txcn 14989 xmetec 15151 bl2ioo 15264 lgsmodeq 15764 lgsmulsqcoprm 15765 uspgredg2v 16060 wksfval 16119 wlkeq 16151 isclwwlk 16189 clwwlkbp 16190 isclwwlknx 16211 clwwlknp 16212 clwwlkn1 16213 clwwlkn2 16216 clwwlknonel 16227 findset 16476 |
| Copyright terms: Public domain | W3C validator |