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Mirrors > Home > ILE Home > Th. List > fzsn | Unicode version |
Description: A finite interval of integers with one element. (Contributed by Jeff Madsen, 2-Sep-2009.) |
Ref | Expression |
---|---|
fzsn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfz1eq 9808 | . . . 4 | |
2 | elfz3 9807 | . . . . 5 | |
3 | eleq1 2200 | . . . . 5 | |
4 | 2, 3 | syl5ibrcom 156 | . . . 4 |
5 | 1, 4 | impbid2 142 | . . 3 |
6 | velsn 3539 | . . 3 | |
7 | 5, 6 | syl6bbr 197 | . 2 |
8 | 7 | eqrdv 2135 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1331 wcel 1480 csn 3522 (class class class)co 5767 cz 9047 cfz 9783 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-setind 4447 ax-cnex 7704 ax-resscn 7705 ax-pre-ltirr 7725 ax-pre-apti 7728 |
This theorem depends on definitions: df-bi 116 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-nel 2402 df-ral 2419 df-rex 2420 df-rab 2423 df-v 2683 df-sbc 2905 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-br 3925 df-opab 3985 df-mpt 3986 df-id 4210 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-iota 5083 df-fun 5120 df-fn 5121 df-f 5122 df-fv 5126 df-ov 5770 df-oprab 5771 df-mpo 5772 df-pnf 7795 df-mnf 7796 df-xr 7797 df-ltxr 7798 df-le 7799 df-neg 7929 df-z 9048 df-uz 9320 df-fz 9784 |
This theorem is referenced by: fzsuc 9842 fzpred 9843 fzpr 9850 fzsuc2 9852 1fv 9909 fzosn 9975 exfzdc 10010 uzsinds 10208 hashsng 10537 sumsnf 11171 fsum1 11174 fsumm1 11178 fsum1p 11180 ef0lem 11355 phi1 11884 strle1g 12038 |
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