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Mirrors > Home > MPE Home > Th. List > fzsn | Structured version Visualization version GIF version |
Description: A finite interval of integers with one element. (Contributed by Jeff Madsen, 2-Sep-2009.) |
Ref | Expression |
---|---|
fzsn | ⊢ (𝑀 ∈ ℤ → (𝑀...𝑀) = {𝑀}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfz1eq 13088 | . . . 4 ⊢ (𝑘 ∈ (𝑀...𝑀) → 𝑘 = 𝑀) | |
2 | elfz3 13087 | . . . . 5 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ (𝑀...𝑀)) | |
3 | eleq1 2818 | . . . . 5 ⊢ (𝑘 = 𝑀 → (𝑘 ∈ (𝑀...𝑀) ↔ 𝑀 ∈ (𝑀...𝑀))) | |
4 | 2, 3 | syl5ibrcom 250 | . . . 4 ⊢ (𝑀 ∈ ℤ → (𝑘 = 𝑀 → 𝑘 ∈ (𝑀...𝑀))) |
5 | 1, 4 | impbid2 229 | . . 3 ⊢ (𝑀 ∈ ℤ → (𝑘 ∈ (𝑀...𝑀) ↔ 𝑘 = 𝑀)) |
6 | velsn 4543 | . . 3 ⊢ (𝑘 ∈ {𝑀} ↔ 𝑘 = 𝑀) | |
7 | 5, 6 | bitr4di 292 | . 2 ⊢ (𝑀 ∈ ℤ → (𝑘 ∈ (𝑀...𝑀) ↔ 𝑘 ∈ {𝑀})) |
8 | 7 | eqrdv 2734 | 1 ⊢ (𝑀 ∈ ℤ → (𝑀...𝑀) = {𝑀}) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1543 ∈ wcel 2112 {csn 4527 (class class class)co 7191 ℤcz 12141 ...cfz 13060 |
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 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-resscn 10751 ax-pre-lttri 10768 ax-pre-lttrn 10769 |
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 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-id 5440 df-po 5453 df-so 5454 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-ov 7194 df-oprab 7195 df-mpo 7196 df-1st 7739 df-2nd 7740 df-er 8369 df-en 8605 df-dom 8606 df-sdom 8607 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-neg 11030 df-z 12142 df-uz 12404 df-fz 13061 |
This theorem is referenced by: fzsuc 13124 fzpred 13125 fzpr 13132 fzsuc2 13135 fz0sn 13177 fz0sn0fz1 13194 fzosn 13278 seqf1o 13582 hashsng 13901 sumsnf 15271 fsum1 15274 fsumm1 15278 fsum1p 15280 prodsn 15487 fprod1 15488 prodsnf 15489 fprod1p 15493 fprodabs 15499 fprodefsum 15619 phi1 16289 vdwlem8 16504 strle1 16776 telgsumfzs 19328 pmatcollpw3fi1 21639 imasdsf1olem 23225 ehl1eudis 24271 voliunlem1 24401 ply1termlem 25051 pntpbnd1 26421 0wlkons1 28158 iuninc 30573 fzspl 30785 esumfzf 31703 ballotlemfc0 32125 ballotlemfcc 32126 plymulx0 32192 signstf0 32213 subfac1 32807 subfacp1lem1 32808 subfacp1lem5 32813 subfacp1lem6 32814 cvmliftlem10 32923 fwddifn0 34152 poimirlem2 35465 poimirlem3 35466 poimirlem4 35467 poimirlem6 35469 poimirlem7 35470 poimirlem13 35476 poimirlem14 35477 poimirlem16 35479 poimirlem17 35480 poimirlem18 35481 poimirlem19 35482 poimirlem20 35483 poimirlem21 35484 poimirlem22 35485 poimirlem26 35489 poimirlem28 35491 poimirlem31 35494 poimirlem32 35495 sdclem1 35587 fdc 35589 sticksstones9 39779 sticksstones11 39781 metakunt18 39805 metakunt20 39807 metakunt24 39811 trclfvdecomr 40954 k0004val0 41382 sumsnd 42183 fzdifsuc2 42463 dvnmul 43102 stoweidlem17 43176 carageniuncllem1 43677 caratheodorylem1 43682 hoidmvlelem3 43753 fzopredsuc 44431 sbgoldbo 44855 nnsum3primesprm 44858 |
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