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| Mirrors > Home > MPE Home > Th. List > 5t5e25 | Structured version Visualization version GIF version | ||
| Description: 5 times 5 equals 25. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 5t5e25 | ⊢ (5 · 5) = ;25 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 5nn0 12491 | . 2 ⊢ 5 ∈ ℕ0 | |
| 2 | 4nn0 12490 | . 2 ⊢ 4 ∈ ℕ0 | |
| 3 | df-5 12273 | . 2 ⊢ 5 = (4 + 1) | |
| 4 | 5t4e20 12785 | . . 3 ⊢ (5 · 4) = ;20 | |
| 5 | 2nn0 12488 | . . . 4 ⊢ 2 ∈ ℕ0 | |
| 6 | 5 | dec0u 12704 | . . 3 ⊢ (;10 · 2) = ;20 |
| 7 | 4, 6 | eqtr4i 2782 | . 2 ⊢ (5 · 4) = (;10 · 2) |
| 8 | dfdec10 12681 | . . 3 ⊢ ;25 = ((;10 · 2) + 5) | |
| 9 | 8 | eqcomi 2765 | . 2 ⊢ ((;10 · 2) + 5) = ;25 |
| 10 | 1, 2, 3, 7, 9 | 4t3lem 12780 | 1 ⊢ (5 · 5) = ;25 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1554 (class class class)co 7385 0cc0 11063 1c1 11064 + caddc 11066 · cmul 11068 2c2 12262 4c4 12264 5c5 12265 ;cdc 12678 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 ax-resscn 11120 ax-1cn 11121 ax-icn 11122 ax-addcl 11123 ax-addrcl 11124 ax-mulcl 11125 ax-mulrcl 11126 ax-mulcom 11127 ax-addass 11128 ax-mulass 11129 ax-distr 11130 ax-i2m1 11131 ax-1ne0 11132 ax-1rid 11133 ax-rnegex 11134 ax-rrecex 11135 ax-cnre 11136 ax-pre-lttri 11137 ax-pre-lttrn 11138 ax-pre-ltadd 11139 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-nel 3056 df-ral 3071 df-rex 3081 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-iun 4945 df-br 5095 df-opab 5157 df-mpt 5176 df-tr 5202 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-om 7836 df-2nd 7960 df-frecs 8250 df-wrecs 8281 df-recs 8330 df-rdg 8369 df-er 8666 df-en 8917 df-dom 8918 df-sdom 8919 df-pnf 11208 df-mnf 11209 df-ltxr 11211 df-sub 11406 df-nn 12201 df-2 12270 df-3 12271 df-4 12272 df-5 12273 df-6 12274 df-7 12275 df-8 12276 df-9 12277 df-n0 12472 df-dec 12679 |
| This theorem is referenced by: 2exp16 17102 prmlem1 17119 prmlem2 17132 1259lem1 17143 1259lem4 17146 2503lem1 17149 2503lem2 17150 4001lem1 17153 4001prm 17157 3lexlogpow2ineq2 42624 3lexlogpow5ineq5 42625 sqn5i 42842 sq5 42851 resqrtvalex 44169 imsqrtvalex 44170 fmtno5lem2 48111 flsqrt5 48151 |
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