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Mirrors > Home > MPE Home > Th. List > mrelatglb0 | Structured version Visualization version GIF version |
Description: The empty intersection in a Moore space is realized by the base set. (Contributed by Stefan O'Rear, 31-Jan-2015.) |
Ref | Expression |
---|---|
mreclat.i | ⊢ 𝐼 = (toInc‘𝐶) |
mrelatglb.g | ⊢ 𝐺 = (glb‘𝐼) |
Ref | Expression |
---|---|
mrelatglb0 | ⊢ (𝐶 ∈ (Moore‘𝑋) → (𝐺‘∅) = 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2821 | . 2 ⊢ (le‘𝐼) = (le‘𝐼) | |
2 | mreclat.i | . . 3 ⊢ 𝐼 = (toInc‘𝐶) | |
3 | 2 | ipobas 17759 | . 2 ⊢ (𝐶 ∈ (Moore‘𝑋) → 𝐶 = (Base‘𝐼)) |
4 | mrelatglb.g | . . 3 ⊢ 𝐺 = (glb‘𝐼) | |
5 | 4 | a1i 11 | . 2 ⊢ (𝐶 ∈ (Moore‘𝑋) → 𝐺 = (glb‘𝐼)) |
6 | 2 | ipopos 17764 | . . 3 ⊢ 𝐼 ∈ Poset |
7 | 6 | a1i 11 | . 2 ⊢ (𝐶 ∈ (Moore‘𝑋) → 𝐼 ∈ Poset) |
8 | 0ss 4350 | . . 3 ⊢ ∅ ⊆ 𝐶 | |
9 | 8 | a1i 11 | . 2 ⊢ (𝐶 ∈ (Moore‘𝑋) → ∅ ⊆ 𝐶) |
10 | mre1cl 16859 | . 2 ⊢ (𝐶 ∈ (Moore‘𝑋) → 𝑋 ∈ 𝐶) | |
11 | ral0 4456 | . . . 4 ⊢ ∀𝑥 ∈ ∅ 𝑋(le‘𝐼)𝑥 | |
12 | 11 | rspec 3207 | . . 3 ⊢ (𝑥 ∈ ∅ → 𝑋(le‘𝐼)𝑥) |
13 | 12 | adantl 484 | . 2 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑥 ∈ ∅) → 𝑋(le‘𝐼)𝑥) |
14 | mress 16858 | . . . 4 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑦 ∈ 𝐶) → 𝑦 ⊆ 𝑋) | |
15 | 10 | adantr 483 | . . . . 5 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑦 ∈ 𝐶) → 𝑋 ∈ 𝐶) |
16 | 2, 1 | ipole 17762 | . . . . 5 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑦 ∈ 𝐶 ∧ 𝑋 ∈ 𝐶) → (𝑦(le‘𝐼)𝑋 ↔ 𝑦 ⊆ 𝑋)) |
17 | 15, 16 | mpd3an3 1458 | . . . 4 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑦 ∈ 𝐶) → (𝑦(le‘𝐼)𝑋 ↔ 𝑦 ⊆ 𝑋)) |
18 | 14, 17 | mpbird 259 | . . 3 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑦 ∈ 𝐶) → 𝑦(le‘𝐼)𝑋) |
19 | 18 | 3adant3 1128 | . 2 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑦 ∈ 𝐶 ∧ ∀𝑥 ∈ ∅ 𝑦(le‘𝐼)𝑥) → 𝑦(le‘𝐼)𝑋) |
20 | 1, 3, 5, 7, 9, 10, 13, 19 | posglbd 17754 | 1 ⊢ (𝐶 ∈ (Moore‘𝑋) → (𝐺‘∅) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1533 ∈ wcel 2110 ∀wral 3138 ⊆ wss 3936 ∅c0 4291 class class class wbr 5059 ‘cfv 6350 lecple 16566 Moorecmre 16847 Posetcpo 17544 glbcglb 17547 toInccipo 17755 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4833 df-int 4870 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5455 df-eprel 5460 df-po 5469 df-so 5470 df-fr 5509 df-we 5511 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-pred 6143 df-ord 6189 df-on 6190 df-lim 6191 df-suc 6192 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-1st 7683 df-2nd 7684 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-1o 8096 df-oadd 8100 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-fin 8507 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-2 11694 df-3 11695 df-4 11696 df-5 11697 df-6 11698 df-7 11699 df-8 11700 df-9 11701 df-n0 11892 df-z 11976 df-dec 12093 df-uz 12238 df-fz 12887 df-struct 16479 df-ndx 16480 df-slot 16481 df-base 16483 df-sets 16484 df-tset 16578 df-ple 16579 df-ocomp 16580 df-mre 16851 df-proset 17532 df-poset 17550 df-lub 17578 df-glb 17579 df-odu 17733 df-ipo 17756 |
This theorem is referenced by: mreclatBAD 17791 |
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