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| 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 7374 | . . 3 ⊢ (𝑁 = 0 → (𝑁 + 1) = (0 + 1)) | |
| 2 | 0p1e1 12298 | . . 3 ⊢ (0 + 1) = 1 | |
| 3 | 1, 2 | eqtrdi 2787 | . 2 ⊢ (𝑁 = 0 → (𝑁 + 1) = 1) |
| 4 | 3 | fveq2d 6844 | 1 ⊢ (𝑁 = 0 → (𝐹‘(𝑁 + 1)) = (𝐹‘1)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ‘cfv 6498 (class class class)co 7367 0cc0 11038 1c1 11039 + caddc 11041 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-po 5539 df-so 5540 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-ov 7370 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-ltxr 11184 |
| This theorem is referenced by: mertenslem2 15850 loglesqrt 26725 harmonicbnd3 26971 facgam 27029 wlkonl1iedg 29732 2wlklem 29734 pthdadjvtx 29796 lfgrn1cycl 29873 0enwwlksnge1 29932 2wlkdlem5 29997 2wlkdlem10 30003 rusgrnumwwlkl1 30039 clwwlkn2 30114 3wlkdlem5 30233 3wlkdlem10 30239 upgr3v3e3cycl 30250 upgr4cycl4dv4e 30255 subfacval2 35369 iccelpart 47893 bgoldbtbnd 48285 grtriclwlk3 48421 cycl3grtrilem 48422 gpgprismgr4cycllem10 48580 |
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