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Mirrors > Home > ILE Home > Th. List > fzprval | Unicode version |
Description: Two ways of defining the first two values of a sequence on . (Contributed by NM, 5-Sep-2011.) |
Ref | Expression |
---|---|
fzprval |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1z 9225 | . . . . 5 | |
2 | fzpr 10020 | . . . . 5 | |
3 | 1, 2 | ax-mp 5 | . . . 4 |
4 | df-2 8924 | . . . . 5 | |
5 | 4 | oveq2i 5861 | . . . 4 |
6 | 4 | preq2i 3662 | . . . 4 |
7 | 3, 5, 6 | 3eqtr4i 2201 | . . 3 |
8 | 7 | raleqi 2669 | . 2 |
9 | 1ex 7902 | . . 3 | |
10 | 2ex 8937 | . . 3 | |
11 | fveq2 5494 | . . . 4 | |
12 | iftrue 3530 | . . . 4 | |
13 | 11, 12 | eqeq12d 2185 | . . 3 |
14 | fveq2 5494 | . . . 4 | |
15 | 1ne2 9071 | . . . . . . . 8 | |
16 | 15 | necomi 2425 | . . . . . . 7 |
17 | pm13.181 2422 | . . . . . . 7 | |
18 | 16, 17 | mpan2 423 | . . . . . 6 |
19 | 18 | neneqd 2361 | . . . . 5 |
20 | 19 | iffalsed 3535 | . . . 4 |
21 | 14, 20 | eqeq12d 2185 | . . 3 |
22 | 9, 10, 13, 21 | ralpr 3636 | . 2 |
23 | 8, 22 | bitri 183 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wb 104 wceq 1348 wcel 2141 wne 2340 wral 2448 cif 3525 cpr 3582 cfv 5196 (class class class)co 5850 c1 7762 caddc 7764 c2 8916 cz 9199 cfz 9952 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4105 ax-pow 4158 ax-pr 4192 ax-un 4416 ax-setind 4519 ax-cnex 7852 ax-resscn 7853 ax-1cn 7854 ax-1re 7855 ax-icn 7856 ax-addcl 7857 ax-addrcl 7858 ax-mulcl 7859 ax-addcom 7861 ax-addass 7863 ax-distr 7865 ax-i2m1 7866 ax-0lt1 7867 ax-0id 7869 ax-rnegex 7870 ax-cnre 7872 ax-pre-ltirr 7873 ax-pre-ltwlin 7874 ax-pre-lttrn 7875 ax-pre-apti 7876 ax-pre-ltadd 7877 |
This theorem depends on definitions: df-bi 116 df-3or 974 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rab 2457 df-v 2732 df-sbc 2956 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-if 3526 df-pw 3566 df-sn 3587 df-pr 3588 df-op 3590 df-uni 3795 df-int 3830 df-br 3988 df-opab 4049 df-mpt 4050 df-id 4276 df-xp 4615 df-rel 4616 df-cnv 4617 df-co 4618 df-dm 4619 df-rn 4620 df-res 4621 df-ima 4622 df-iota 5158 df-fun 5198 df-fn 5199 df-f 5200 df-fv 5204 df-riota 5806 df-ov 5853 df-oprab 5854 df-mpo 5855 df-pnf 7943 df-mnf 7944 df-xr 7945 df-ltxr 7946 df-le 7947 df-sub 8079 df-neg 8080 df-inn 8866 df-2 8924 df-n0 9123 df-z 9200 df-uz 9475 df-fz 9953 |
This theorem is referenced by: (None) |
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