| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > fv0p1e1 | Structured version Visualization version GIF version | ||
| Description: Function value at 𝑁 + 1 with 𝑁 replaced by 0. Technical theorem to be used to reduce the size of a significant number of proofs. (Contributed by AV, 13-Aug-2022.) |
| Ref | Expression |
|---|---|
| fv0p1e1 | ⊢ (𝑁 = 0 → (𝐹‘(𝑁 + 1)) = (𝐹‘1)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq1 7377 | . . 3 ⊢ (𝑁 = 0 → (𝑁 + 1) = (0 + 1)) | |
| 2 | 0p1e1 12276 | . . 3 ⊢ (0 + 1) = 1 | |
| 3 | 1, 2 | eqtrdi 2788 | . 2 ⊢ (𝑁 = 0 → (𝑁 + 1) = 1) |
| 4 | 3 | fveq2d 6848 | 1 ⊢ (𝑁 = 0 → (𝐹‘(𝑁 + 1)) = (𝐹‘1)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ‘cfv 6502 (class class class)co 7370 0cc0 11040 1c1 11041 + caddc 11043 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-resscn 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-addrcl 11101 ax-mulcl 11102 ax-mulrcl 11103 ax-mulcom 11104 ax-addass 11105 ax-mulass 11106 ax-distr 11107 ax-i2m1 11108 ax-1ne0 11109 ax-1rid 11110 ax-rnegex 11111 ax-rrecex 11112 ax-cnre 11113 ax-pre-lttri 11114 ax-pre-lttrn 11115 ax-pre-ltadd 11116 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5529 df-po 5542 df-so 5543 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-ov 7373 df-er 8647 df-en 8898 df-dom 8899 df-sdom 8900 df-pnf 11182 df-mnf 11183 df-ltxr 11185 |
| This theorem is referenced by: mertenslem2 15822 loglesqrt 26744 harmonicbnd3 26991 facgam 27049 wlkonl1iedg 29755 2wlklem 29757 pthdadjvtx 29819 lfgrn1cycl 29896 0enwwlksnge1 29955 2wlkdlem5 30020 2wlkdlem10 30026 rusgrnumwwlkl1 30062 clwwlkn2 30137 3wlkdlem5 30256 3wlkdlem10 30262 upgr3v3e3cycl 30273 upgr4cycl4dv4e 30278 subfacval2 35409 iccelpart 47822 bgoldbtbnd 48198 grtriclwlk3 48334 cycl3grtrilem 48335 gpgprismgr4cycllem10 48493 |
| Copyright terms: Public domain | W3C validator |