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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 12908 | . . . 4 ⊢ (𝑘 ∈ (𝑀...𝑀) → 𝑘 = 𝑀) | |
2 | elfz3 12907 | . . . . 5 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ (𝑀...𝑀)) | |
3 | eleq1 2900 | . . . . 5 ⊢ (𝑘 = 𝑀 → (𝑘 ∈ (𝑀...𝑀) ↔ 𝑀 ∈ (𝑀...𝑀))) | |
4 | 2, 3 | syl5ibrcom 249 | . . . 4 ⊢ (𝑀 ∈ ℤ → (𝑘 = 𝑀 → 𝑘 ∈ (𝑀...𝑀))) |
5 | 1, 4 | impbid2 228 | . . 3 ⊢ (𝑀 ∈ ℤ → (𝑘 ∈ (𝑀...𝑀) ↔ 𝑘 = 𝑀)) |
6 | velsn 4569 | . . 3 ⊢ (𝑘 ∈ {𝑀} ↔ 𝑘 = 𝑀) | |
7 | 5, 6 | syl6bbr 291 | . 2 ⊢ (𝑀 ∈ ℤ → (𝑘 ∈ (𝑀...𝑀) ↔ 𝑘 ∈ {𝑀})) |
8 | 7 | eqrdv 2819 | 1 ⊢ (𝑀 ∈ ℤ → (𝑀...𝑀) = {𝑀}) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2114 {csn 4553 (class class class)co 7142 ℤcz 11968 ...cfz 12882 |
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 2793 ax-sep 5189 ax-nul 5196 ax-pow 5252 ax-pr 5316 ax-un 7447 ax-cnex 10579 ax-resscn 10580 ax-pre-lttri 10597 ax-pre-lttrn 10598 |
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 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3488 df-sbc 3764 df-csb 3872 df-dif 3927 df-un 3929 df-in 3931 df-ss 3940 df-nul 4280 df-if 4454 df-pw 4527 df-sn 4554 df-pr 4556 df-op 4560 df-uni 4825 df-iun 4907 df-br 5053 df-opab 5115 df-mpt 5133 df-id 5446 df-po 5460 df-so 5461 df-xp 5547 df-rel 5548 df-cnv 5549 df-co 5550 df-dm 5551 df-rn 5552 df-res 5553 df-ima 5554 df-iota 6300 df-fun 6343 df-fn 6344 df-f 6345 df-f1 6346 df-fo 6347 df-f1o 6348 df-fv 6349 df-ov 7145 df-oprab 7146 df-mpo 7147 df-1st 7675 df-2nd 7676 df-er 8275 df-en 8496 df-dom 8497 df-sdom 8498 df-pnf 10663 df-mnf 10664 df-xr 10665 df-ltxr 10666 df-le 10667 df-neg 10859 df-z 11969 df-uz 12231 df-fz 12883 |
This theorem is referenced by: fzsuc 12944 fzpred 12945 fzpr 12952 fzsuc2 12955 fz0sn 12997 fz0sn0fz1 13014 fzosn 13098 seqf1o 13401 hashsng 13720 sumsnf 15084 fsum1 15087 fsumm1 15091 fsum1p 15093 prodsn 15301 fprod1 15302 prodsnf 15303 fprod1p 15307 fprodabs 15313 fprodefsum 15433 phi1 16093 vdwlem8 16307 strle1 16575 telgsumfzs 19092 pmatcollpw3fi1 21379 imasdsf1olem 22966 ehl1eudis 24006 voliunlem1 24134 ply1termlem 24779 pntpbnd1 26148 0wlkons1 27884 iuninc 30298 fzspl 30499 esumfzf 31335 ballotlemfc0 31757 ballotlemfcc 31758 plymulx0 31824 signstf0 31845 subfac1 32432 subfacp1lem1 32433 subfacp1lem5 32438 subfacp1lem6 32439 cvmliftlem10 32548 fwddifn0 33632 poimirlem2 34928 poimirlem3 34929 poimirlem4 34930 poimirlem6 34932 poimirlem7 34933 poimirlem13 34939 poimirlem14 34940 poimirlem16 34942 poimirlem17 34943 poimirlem18 34944 poimirlem19 34945 poimirlem20 34946 poimirlem21 34947 poimirlem22 34948 poimirlem26 34952 poimirlem28 34954 poimirlem31 34957 poimirlem32 34958 sdclem1 35050 fdc 35052 trclfvdecomr 40163 k0004val0 40594 sumsnd 41373 fzdifsuc2 41667 dvnmul 42318 stoweidlem17 42392 carageniuncllem1 42893 caratheodorylem1 42898 hoidmvlelem3 42969 fzopredsuc 43613 sbgoldbo 44037 nnsum3primesprm 44040 |
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