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Mirrors > Home > MPE Home > Th. List > Mathboxes > dimcl | Structured version Visualization version GIF version |
Description: Closure of the vector space dimension. (Contributed by Thierry Arnoux, 18-May-2023.) |
Ref | Expression |
---|---|
dimcl | ⊢ (𝑉 ∈ LVec → (dim‘𝑉) ∈ ℕ0*) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2823 | . . . 4 ⊢ (LBasis‘𝑉) = (LBasis‘𝑉) | |
2 | 1 | lbsex 19939 | . . 3 ⊢ (𝑉 ∈ LVec → (LBasis‘𝑉) ≠ ∅) |
3 | n0 4312 | . . 3 ⊢ ((LBasis‘𝑉) ≠ ∅ ↔ ∃𝑏 𝑏 ∈ (LBasis‘𝑉)) | |
4 | 2, 3 | sylib 220 | . 2 ⊢ (𝑉 ∈ LVec → ∃𝑏 𝑏 ∈ (LBasis‘𝑉)) |
5 | 1 | dimval 31003 | . . 3 ⊢ ((𝑉 ∈ LVec ∧ 𝑏 ∈ (LBasis‘𝑉)) → (dim‘𝑉) = (♯‘𝑏)) |
6 | hashxnn0 13702 | . . . 4 ⊢ (𝑏 ∈ (LBasis‘𝑉) → (♯‘𝑏) ∈ ℕ0*) | |
7 | 6 | adantl 484 | . . 3 ⊢ ((𝑉 ∈ LVec ∧ 𝑏 ∈ (LBasis‘𝑉)) → (♯‘𝑏) ∈ ℕ0*) |
8 | 5, 7 | eqeltrd 2915 | . 2 ⊢ ((𝑉 ∈ LVec ∧ 𝑏 ∈ (LBasis‘𝑉)) → (dim‘𝑉) ∈ ℕ0*) |
9 | 4, 8 | exlimddv 1936 | 1 ⊢ (𝑉 ∈ LVec → (dim‘𝑉) ∈ ℕ0*) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∃wex 1780 ∈ wcel 2114 ≠ wne 3018 ∅c0 4293 ‘cfv 6357 ℕ0*cxnn0 11970 ♯chash 13693 LBasisclbs 19848 LVecclvec 19876 dimcldim 31001 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-reg 9058 ax-inf2 9106 ax-ac2 9887 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rmo 3148 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-int 4879 df-iun 4923 df-iin 4924 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-se 5517 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-isom 6366 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-rpss 7451 df-om 7583 df-1st 7691 df-2nd 7692 df-tpos 7894 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-1o 8104 df-oadd 8108 df-er 8291 df-map 8410 df-en 8512 df-dom 8513 df-sdom 8514 df-fin 8515 df-oi 8976 df-r1 9195 df-rank 9196 df-dju 9332 df-card 9370 df-acn 9373 df-ac 9544 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-nn 11641 df-2 11703 df-3 11704 df-4 11705 df-5 11706 df-6 11707 df-7 11708 df-8 11709 df-9 11710 df-n0 11901 df-xnn0 11971 df-z 11985 df-dec 12102 df-uz 12247 df-fz 12896 df-hash 13694 df-struct 16487 df-ndx 16488 df-slot 16489 df-base 16491 df-sets 16492 df-ress 16493 df-plusg 16580 df-mulr 16581 df-tset 16586 df-ple 16587 df-ocomp 16588 df-0g 16717 df-mre 16859 df-mrc 16860 df-mri 16861 df-acs 16862 df-proset 17540 df-drs 17541 df-poset 17558 df-ipo 17764 df-mgm 17854 df-sgrp 17903 df-mnd 17914 df-submnd 17959 df-grp 18108 df-minusg 18109 df-sbg 18110 df-subg 18278 df-cmn 18910 df-abl 18911 df-mgp 19242 df-ur 19254 df-ring 19301 df-oppr 19375 df-dvdsr 19393 df-unit 19394 df-invr 19424 df-drng 19506 df-lmod 19638 df-lss 19706 df-lsp 19746 df-lbs 19849 df-lvec 19877 df-dim 31002 |
This theorem is referenced by: drngdimgt0 31018 extdgcl 31048 |
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