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Mirrors > Home > MPE Home > Th. List > structvtxvallem | Structured version Visualization version GIF version |
Description: Lemma for structvtxval 27084 and structiedg0val 27085. (Contributed by AV, 23-Sep-2020.) (Revised by AV, 12-Nov-2021.) |
Ref | Expression |
---|---|
structvtxvallem.s | ⊢ 𝑆 ∈ ℕ |
structvtxvallem.b | ⊢ (Base‘ndx) < 𝑆 |
structvtxvallem.g | ⊢ 𝐺 = {〈(Base‘ndx), 𝑉〉, 〈𝑆, 𝐸〉} |
Ref | Expression |
---|---|
structvtxvallem | ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → 2 ≤ (♯‘dom 𝐺)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvexd 6721 | . 2 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → (Base‘ndx) ∈ V) | |
2 | structvtxvallem.s | . . 3 ⊢ 𝑆 ∈ ℕ | |
3 | 2 | a1i 11 | . 2 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → 𝑆 ∈ ℕ) |
4 | simpl 486 | . 2 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → 𝑉 ∈ 𝑋) | |
5 | simpr 488 | . 2 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → 𝐸 ∈ 𝑌) | |
6 | structvtxvallem.g | . . . 4 ⊢ 𝐺 = {〈(Base‘ndx), 𝑉〉, 〈𝑆, 𝐸〉} | |
7 | prex 5314 | . . . 4 ⊢ {〈(Base‘ndx), 𝑉〉, 〈𝑆, 𝐸〉} ∈ V | |
8 | 6, 7 | eqeltri 2830 | . . 3 ⊢ 𝐺 ∈ V |
9 | 8 | a1i 11 | . 2 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → 𝐺 ∈ V) |
10 | basendxnn 16749 | . . . . 5 ⊢ (Base‘ndx) ∈ ℕ | |
11 | 10 | nnrei 11822 | . . . 4 ⊢ (Base‘ndx) ∈ ℝ |
12 | structvtxvallem.b | . . . 4 ⊢ (Base‘ndx) < 𝑆 | |
13 | 11, 12 | ltneii 10928 | . . 3 ⊢ (Base‘ndx) ≠ 𝑆 |
14 | 13 | a1i 11 | . 2 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → (Base‘ndx) ≠ 𝑆) |
15 | 6 | eqimss2i 3950 | . . 3 ⊢ {〈(Base‘ndx), 𝑉〉, 〈𝑆, 𝐸〉} ⊆ 𝐺 |
16 | 15 | a1i 11 | . 2 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → {〈(Base‘ndx), 𝑉〉, 〈𝑆, 𝐸〉} ⊆ 𝐺) |
17 | 1, 3, 4, 5, 9, 14, 16 | hashdmpropge2 14032 | 1 ⊢ ((𝑉 ∈ 𝑋 ∧ 𝐸 ∈ 𝑌) → 2 ≤ (♯‘dom 𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2110 ≠ wne 2935 Vcvv 3401 ⊆ wss 3857 {cpr 4533 〈cop 4537 class class class wbr 5043 dom cdm 5540 ‘cfv 6369 < clt 10850 ≤ cle 10851 ℕcn 11813 2c2 11868 ♯chash 13879 ndxcnx 16681 Basecbs 16684 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2706 ax-sep 5181 ax-nul 5188 ax-pow 5247 ax-pr 5311 ax-un 7512 ax-cnex 10768 ax-resscn 10769 ax-1cn 10770 ax-icn 10771 ax-addcl 10772 ax-addrcl 10773 ax-mulcl 10774 ax-mulrcl 10775 ax-mulcom 10776 ax-addass 10777 ax-mulass 10778 ax-distr 10779 ax-i2m1 10780 ax-1ne0 10781 ax-1rid 10782 ax-rnegex 10783 ax-rrecex 10784 ax-cnre 10785 ax-pre-lttri 10786 ax-pre-lttrn 10787 ax-pre-ltadd 10788 ax-pre-mulgt0 10789 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2537 df-eu 2566 df-clab 2713 df-cleq 2726 df-clel 2812 df-nfc 2882 df-ne 2936 df-nel 3040 df-ral 3059 df-rex 3060 df-reu 3061 df-rab 3063 df-v 3403 df-sbc 3688 df-csb 3803 df-dif 3860 df-un 3862 df-in 3864 df-ss 3874 df-pss 3876 df-nul 4228 df-if 4430 df-pw 4505 df-sn 4532 df-pr 4534 df-tp 4536 df-op 4538 df-uni 4810 df-int 4850 df-iun 4896 df-br 5044 df-opab 5106 df-mpt 5125 df-tr 5151 df-id 5444 df-eprel 5449 df-po 5457 df-so 5458 df-fr 5498 df-we 5500 df-xp 5546 df-rel 5547 df-cnv 5548 df-co 5549 df-dm 5550 df-rn 5551 df-res 5552 df-ima 5553 df-pred 6149 df-ord 6205 df-on 6206 df-lim 6207 df-suc 6208 df-iota 6327 df-fun 6371 df-fn 6372 df-f 6373 df-f1 6374 df-fo 6375 df-f1o 6376 df-fv 6377 df-riota 7159 df-ov 7205 df-oprab 7206 df-mpo 7207 df-om 7634 df-1st 7750 df-2nd 7751 df-wrecs 8036 df-recs 8097 df-rdg 8135 df-1o 8191 df-oadd 8195 df-er 8380 df-en 8616 df-dom 8617 df-sdom 8618 df-fin 8619 df-dju 9500 df-card 9538 df-pnf 10852 df-mnf 10853 df-xr 10854 df-ltxr 10855 df-le 10856 df-sub 11047 df-neg 11048 df-nn 11814 df-2 11876 df-n0 12074 df-xnn0 12146 df-z 12160 df-uz 12422 df-fz 13079 df-hash 13880 df-ndx 16687 df-slot 16688 df-base 16690 |
This theorem is referenced by: structvtxval 27084 structiedg0val 27085 |
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