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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 7369 | . . 3 ⊢ (𝑁 = 0 → (𝑁 + 1) = (0 + 1)) | |
| 2 | 0p1e1 12293 | . . 3 ⊢ (0 + 1) = 1 | |
| 3 | 1, 2 | eqtrdi 2788 | . 2 ⊢ (𝑁 = 0 → (𝑁 + 1) = 1) |
| 4 | 3 | fveq2d 6840 | 1 ⊢ (𝑁 = 0 → (𝐹‘(𝑁 + 1)) = (𝐹‘1)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ‘cfv 6494 (class class class)co 7362 0cc0 11033 1c1 11034 + caddc 11036 |
| 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 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 |
| 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 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5521 df-po 5534 df-so 5535 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-ov 7365 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-pnf 11176 df-mnf 11177 df-ltxr 11179 |
| This theorem is referenced by: mertenslem2 15845 loglesqrt 26742 harmonicbnd3 26989 facgam 27047 wlkonl1iedg 29751 2wlklem 29753 pthdadjvtx 29815 lfgrn1cycl 29892 0enwwlksnge1 29951 2wlkdlem5 30016 2wlkdlem10 30022 rusgrnumwwlkl1 30058 clwwlkn2 30133 3wlkdlem5 30252 3wlkdlem10 30258 upgr3v3e3cycl 30269 upgr4cycl4dv4e 30274 subfacval2 35389 iccelpart 47909 bgoldbtbnd 48301 grtriclwlk3 48437 cycl3grtrilem 48438 gpgprismgr4cycllem10 48596 |
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