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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 7418 | . . 3 ⊢ (𝑁 = 0 → (𝑁 + 1) = (0 + 1)) | |
| 2 | 0p1e1 12361 | . . 3 ⊢ (0 + 1) = 1 | |
| 3 | 1, 2 | eqtrdi 2820 | . 2 ⊢ (𝑁 = 0 → (𝑁 + 1) = 1) |
| 4 | 3 | fveq2d 6886 | 1 ⊢ (𝑁 = 0 → (𝐹‘(𝑁 + 1)) = (𝐹‘1)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ‘cfv 6537 (class class class)co 7411 0cc0 11100 1c1 11101 + caddc 11103 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7414 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-ltxr 11248 |
| This theorem is referenced by: mertenslem2 15939 loglesqrt 26892 harmonicbnd3 27138 facgam 27196 wlkonl1iedg 29954 2wlklem 29956 pthdadjvtx 30018 lfgrn1cycl 30095 0enwwlksnge1 30154 2wlkdlem5 30219 2wlkdlem10 30225 rusgrnumwwlkl1 30261 clwwlkn2 30336 3wlkdlem5 30455 3wlkdlem10 30461 upgr3v3e3cycl 30472 upgr4cycl4dv4e 30477 subfacval2 35612 iccelpart 48105 bgoldbtbnd 48497 grtriclwlk3 48633 cycl3grtrilem 48634 gpgprismgr4cycllem10 48792 |
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