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| Mirrors > Home > HSE Home > Th. List > atss | Structured version Visualization version GIF version | ||
| Description: A lattice element smaller than an atom is either the atom or zero. (Contributed by NM, 25-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| atss | ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ HAtoms) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elat2 32729 | . 2 ⊢ (𝐵 ∈ HAtoms ↔ (𝐵 ∈ Cℋ ∧ (𝐵 ≠ 0ℋ ∧ ∀𝑥 ∈ Cℋ (𝑥 ⊆ 𝐵 → (𝑥 = 𝐵 ∨ 𝑥 = 0ℋ))))) | |
| 2 | sseq1 3965 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → (𝑥 ⊆ 𝐵 ↔ 𝐴 ⊆ 𝐵)) | |
| 3 | eqeq1 2770 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → (𝑥 = 𝐵 ↔ 𝐴 = 𝐵)) | |
| 4 | eqeq1 2770 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → (𝑥 = 0ℋ ↔ 𝐴 = 0ℋ)) | |
| 5 | 3, 4 | orbi12d 932 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → ((𝑥 = 𝐵 ∨ 𝑥 = 0ℋ) ↔ (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ))) |
| 6 | 2, 5 | imbi12d 347 | . . . . . 6 ⊢ (𝑥 = 𝐴 → ((𝑥 ⊆ 𝐵 → (𝑥 = 𝐵 ∨ 𝑥 = 0ℋ)) ↔ (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ)))) |
| 7 | 6 | rspcv 3580 | . . . . 5 ⊢ (𝐴 ∈ Cℋ → (∀𝑥 ∈ Cℋ (𝑥 ⊆ 𝐵 → (𝑥 = 𝐵 ∨ 𝑥 = 0ℋ)) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ)))) |
| 8 | 7 | adantld 496 | . . . 4 ⊢ (𝐴 ∈ Cℋ → ((𝐵 ≠ 0ℋ ∧ ∀𝑥 ∈ Cℋ (𝑥 ⊆ 𝐵 → (𝑥 = 𝐵 ∨ 𝑥 = 0ℋ))) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ)))) |
| 9 | 8 | adantld 496 | . . 3 ⊢ (𝐴 ∈ Cℋ → ((𝐵 ∈ Cℋ ∧ (𝐵 ≠ 0ℋ ∧ ∀𝑥 ∈ Cℋ (𝑥 ⊆ 𝐵 → (𝑥 = 𝐵 ∨ 𝑥 = 0ℋ)))) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ)))) |
| 10 | 9 | imp 412 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ (𝐵 ∈ Cℋ ∧ (𝐵 ≠ 0ℋ ∧ ∀𝑥 ∈ Cℋ (𝑥 ⊆ 𝐵 → (𝑥 = 𝐵 ∨ 𝑥 = 0ℋ))))) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ))) |
| 11 | 1, 10 | sylan2b 606 | 1 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ HAtoms) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ wo 861 = wceq 1570 ∈ wcel 2146 ≠ wne 2961 ∀wral 3082 ⊆ wss 3908 Cℋ cch 31318 0ℋc0h 31324 HAtomscat 31354 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 ax-pre-sup 11196 ax-addf 11197 ax-mulf 11198 ax-hilex 31388 ax-hfvadd 31389 ax-hvcom 31390 ax-hvass 31391 ax-hv0cl 31392 ax-hvaddid 31393 ax-hfvmul 31394 ax-hvmulid 31395 ax-hvmulass 31396 ax-hvdistr1 31397 ax-hvdistr2 31398 ax-hvmul0 31399 ax-hfi 31468 ax-his1 31471 ax-his2 31472 ax-his3 31473 ax-his4 31474 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-er 8703 df-map 8835 df-pm 8836 df-en 8953 df-dom 8954 df-sdom 8955 df-sup 9412 df-inf 9413 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-div 11890 df-nn 12252 df-2 12321 df-3 12322 df-4 12323 df-n0 12523 df-z 12610 df-uz 12881 df-q 12991 df-rp 13035 df-xneg 13155 df-xadd 13156 df-xmul 13157 df-icc 13397 df-seq 14058 df-exp 14118 df-cj 15176 df-re 15177 df-im 15178 df-sqrt 15312 df-abs 15313 df-topgen 17521 df-psmet 21551 df-xmet 21552 df-met 21553 df-bl 21554 df-mopn 21555 df-top 23088 df-topon 23105 df-bases 23140 df-lm 23423 df-haus 23509 df-grpo 30882 df-gid 30883 df-ginv 30884 df-gdiv 30885 df-ablo 30934 df-vc 30948 df-nv 30981 df-va 30984 df-ba 30985 df-sm 30986 df-0v 30987 df-vs 30988 df-nmcv 30989 df-ims 30990 df-hnorm 31357 df-hvsub 31360 df-hlim 31361 df-sh 31596 df-ch 31610 df-ch0 31642 df-cv 32668 df-at 32727 |
| This theorem is used by: atsseq 32736 |
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