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| Mirrors > Home > MPE Home > Th. List > 0exp0e1 | Structured version Visualization version GIF version | ||
| Description: The zeroth power of zero equals one. See comment of exp0 14097. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 0exp0e1 | ⊢ (0↑0) = 1 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0cn 11193 | . 2 ⊢ 0 ∈ ℂ | |
| 2 | exp0 14097 | . 2 ⊢ (0 ∈ ℂ → (0↑0) = 1) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (0↑0) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 ∈ wcel 2143 (class class class)co 7410 ℂcc 11093 0cc0 11095 1c1 11096 ↑cexp 14093 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pr 5404 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-i2m1 11163 ax-rnegex 11166 ax-cnre 11168 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-iota 6492 df-fun 6538 df-fv 6544 df-ov 7413 df-oprab 7414 df-mpo 7415 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-neg 11439 df-z 12587 df-seq 14034 df-exp 14094 |
| This theorem is referenced by: faclbnd 14322 faclbnd3 14324 faclbnd4lem3 14327 facubnd 14332 ef0lem 16127 nn0expgcd 16617 coefv0 26405 tayl0 26525 cxpexp 26833 musum 27355 logexprlim 27389 etransclem14 46962 exple2lt6 49144 |
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