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Related theorems GIF version |
| Description: Dual modular pair property in terms of atoms. |
| Ref | Expression |
|---|---|
| sumdmdi.1 | ⊢ A ∈ Cℋ |
| sumdmdi.2 | ⊢ B ∈ Cℋ |
| Ref | Expression |
|---|---|
| dmdbr7at | ⊢ (A Mℋ* B ↔ ∀x ∈ Atoms ((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sumdmdi.1 | . . . 4 ⊢ A ∈ Cℋ | |
| 2 | sumdmdi.2 | . . . 4 ⊢ B ∈ Cℋ | |
| 3 | 1, 2 | dmdbr6at 10305 | . . 3 ⊢ (A Mℋ* B ↔ ∀x ∈ Atoms ((A ∨ℋ B) ∩ x) = ((((x ∨ℋ B) ∩ A) ∨ℋ B) ∩ x)) |
| 4 | inss1 2228 | . . . . 5 ⊢ ((((x ∨ℋ B) ∩ A) ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B) | |
| 5 | sseq1 2080 | . . . . 5 ⊢ (((A ∨ℋ B) ∩ x) = ((((x ∨ℋ B) ∩ A) ∨ℋ B) ∩ x) → (((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B) ↔ ((((x ∨ℋ B) ∩ A) ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B))) | |
| 6 | 4, 5 | mpbiri 194 | . . . 4 ⊢ (((A ∨ℋ B) ∩ x) = ((((x ∨ℋ B) ∩ A) ∨ℋ B) ∩ x) → ((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B)) |
| 7 | 6 | r19.20si 1705 | . . 3 ⊢ (∀x ∈ Atoms ((A ∨ℋ B) ∩ x) = ((((x ∨ℋ B) ∩ A) ∨ℋ B) ∩ x) → ∀x ∈ Atoms ((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B)) |
| 8 | 3, 7 | sylbi 199 | . 2 ⊢ (A Mℋ* B → ∀x ∈ Atoms ((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B)) |
| 9 | sseqin2 2227 | . . . . . . 7 ⊢ (x ⊆ (A ∨ℋ B) ↔ ((A ∨ℋ B) ∩ x) = x) | |
| 10 | 9 | biimp 151 | . . . . . 6 ⊢ (x ⊆ (A ∨ℋ B) → ((A ∨ℋ B) ∩ x) = x) |
| 11 | 10 | sseq1d 2086 | . . . . 5 ⊢ (x ⊆ (A ∨ℋ B) → (((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B) ↔ x ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B))) |
| 12 | 11 | biimpcd 155 | . . . 4 ⊢ (((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B) → (x ⊆ (A ∨ℋ B) → x ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B))) |
| 13 | 12 | r19.20si 1705 | . . 3 ⊢ (∀x ∈ Atoms ((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B) → ∀x ∈ Atoms (x ⊆ (A ∨ℋ B) → x ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B))) |
| 14 | 1, 2 | dmdbr5at 10304 | . . 3 ⊢ (A Mℋ* B ↔ ∀x ∈ Atoms (x ⊆ (A ∨ℋ B) → x ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B))) |
| 15 | 13, 14 | sylibr 200 | . 2 ⊢ (∀x ∈ Atoms ((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B) → A Mℋ* B) |
| 16 | 8, 15 | impbi 157 | 1 ⊢ (A Mℋ* B ↔ ∀x ∈ Atoms ((A ∨ℋ B) ∩ x) ⊆ (((x ∨ℋ B) ∩ A) ∨ℋ B)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 3 ↔ wb 146 = wceq 956 ∈ wcel 958 ∀wral 1644 ∩ cin 2044 ⊆ wss 2045 class class class wbr 2617 (class class class)co 3961 Cℋ cch 8753 ∨ℋ chj 8757 Atomscat 8788 Mℋ* cdmd 8791 |
| 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-rep 2691 ax-sep 2701 ax-nul 2708 ax-pow 2740 ax-pr 2777 ax-un 2864 ax-reg 4581 ax-inf2 4613 ax-ac 4732 ax-hilex 8824 ax-hfvadd 8825 ax-hvcom 8826 ax-hvass 8827 ax-hv0cl 8828 ax-hvaddid 8829 ax-hfvmul 8830 ax-hvmulid 8831 ax-hvmulass 8832 ax-hvdistr1 8833 ax-hvdistr2 8834 ax-hvmul0 8835 ax-hfi 8901 ax-his1 8904 ax-his2 8905 ax-his3 8906 ax-his4 8907 ax-hcompl 9026 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 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 1586 df-nel 1587 df-ral 1648 df-rex 1649 df-reu 1650 df-rab 1651 df-v 1810 df-sbc 1940 df-csb 2000 df-dif 2047 df-un 2048 df-in 2049 df-ss 2051 df-pss 2053 df-nul 2279 df-if 2360 df-pw 2400 df-sn 2410 df-pr 2411 df-tp 2413 df-op 2414 df-uni 2502 df-int 2532 df-iun 2566 df-iin 2567 df-br 2618 df-opab 2665 df-tr 2679 df-eprel 2830 df-id 2833 df-po 2838 df-so 2848 df-fr 2915 df-we 2932 df-ord 2949 df-on 2950 df-lim 2951 df-suc 2952 df-om 3130 df-xp 3182 df-rel 3183 df-cnv 3184 df-co 3185 df-dm 3186 df-rn 3187 df-res 3188 df-ima 3189 df-fun 3190 df-fn 3191 df-f 3192 df-f1 3193 df-fo 3194 df-f1o 3195 df-fv 3196 df-rdg 3930 df-opr 3963 df-oprab 3964 df-1st 4077 df-2nd 4078 df-1o 4131 df-oadd 4133 df-omul 4134 df-er 4259 df-ec 4261 df-qs 4264 df-map 4322 df-en 4365 df-dom 4366 df-sdom 4367 df-sup 4562 df-r1 4631 df-rank 4632 df-ni 4988 df-pli 4989 df-mi 4990 df-lti 4991 df-plpq 5023 df-mpq 5024 df-enq 5025 df-nq 5026 df-plq 5027 df-mq 5028 df-rq 5029 df-ltq 5030 df-1q 5031 df-np 5074 df-1p 5075 df-plp 5076 df-mp 5077 df-ltp 5078 df-plpr 5152 df-mpr 5153 df-enr 5154 df-nr 5155 df-plr 5156 df-mr 5157 df-ltr 5158 df-0r 5159 df-1r 5160 df-m1r 5161 df-c 5228 df-0 5229 df-1 5230 df-i 5231 df-r 5232 df-plus 5233 df-mul 5234 df-lt 5235 df-sub 5344 df-neg 5346 df-pnf 5475 df-mnf 5476 df-xr 5477 df-ltxr 5478 df-le 5479 df-div 5686 df-n 5893 df-2 5938 df-3 5939 df-4 5940 df-n0 6068 df-z 6104 df-fl 6192 df-q 6220 df-seq1 6272 df-shft 6305 df-ioo 6325 df-uz 6378 df-fz 6428 df-seqz 6493 df-exp 6529 df-sqr 6630 df-re 6711 df-im 6712 df-cj 6713 df-abs 6714 df-clim 6933 df-sum 6938 df-top 7549 df-bases 7551 df-topgen 7552 df-cld 7620 df-ntr 7621 df-cls 7622 df-cn 7711 df-cnp 7712 df-haus 7739 df-met 7750 df-bl 7752 df-opn 7753 df-lm 7879 df-grp 7994 df-gid 7995 df-ginv 7996 df-gdiv 7997 df-abl 8057 df-vc 8122 df-nv 8168 df-va 8171 df-ba 8172 df-sm 8173 df-0v 8174 df-vs 8175 df-nm 8176 df-ims 8177 df-ip 8307 df-ph 8429 df-hnorm 8792 df-hvsub 8795 df-hlim 8796 df-hcau 8797 df-sh 9031 df-ch 9047 df-oc 9079 df-ch0 9080 df-pj 9192 df-shsum 9228 df-span 9229 df-chj 9230 df-chsup 9231 df-cv 10161 df-md 10162 df-dmd 10163 df-at 10220 |