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Mirrors > Home > MPE Home > Th. List > 5p2e7 | Structured version Visualization version GIF version |
Description: 5 + 2 = 7. (Contributed by NM, 11-May-2004.) |
Ref | Expression |
---|---|
5p2e7 | ⊢ (5 + 2) = 7 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-2 11285 | . . . . 5 ⊢ 2 = (1 + 1) | |
2 | 1 | oveq2i 6807 | . . . 4 ⊢ (5 + 2) = (5 + (1 + 1)) |
3 | 5cn 11306 | . . . . 5 ⊢ 5 ∈ ℂ | |
4 | ax-1cn 10200 | . . . . 5 ⊢ 1 ∈ ℂ | |
5 | 3, 4, 4 | addassi 10254 | . . . 4 ⊢ ((5 + 1) + 1) = (5 + (1 + 1)) |
6 | 2, 5 | eqtr4i 2796 | . . 3 ⊢ (5 + 2) = ((5 + 1) + 1) |
7 | df-6 11289 | . . . 4 ⊢ 6 = (5 + 1) | |
8 | 7 | oveq1i 6806 | . . 3 ⊢ (6 + 1) = ((5 + 1) + 1) |
9 | 6, 8 | eqtr4i 2796 | . 2 ⊢ (5 + 2) = (6 + 1) |
10 | df-7 11290 | . 2 ⊢ 7 = (6 + 1) | |
11 | 9, 10 | eqtr4i 2796 | 1 ⊢ (5 + 2) = 7 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1631 (class class class)co 6796 1c1 10143 + caddc 10145 2c2 11276 5c5 11279 6c6 11280 7c7 11281 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1870 ax-4 1885 ax-5 1991 ax-6 2057 ax-7 2093 ax-9 2154 ax-10 2174 ax-11 2190 ax-12 2203 ax-13 2408 ax-ext 2751 ax-resscn 10199 ax-1cn 10200 ax-icn 10201 ax-addcl 10202 ax-addrcl 10203 ax-mulcl 10204 ax-mulrcl 10205 ax-addass 10207 ax-i2m1 10210 ax-1ne0 10211 ax-rrecex 10214 ax-cnre 10215 |
This theorem depends on definitions: df-bi 197 df-an 383 df-or 837 df-3an 1073 df-tru 1634 df-ex 1853 df-nf 1858 df-sb 2050 df-clab 2758 df-cleq 2764 df-clel 2767 df-nfc 2902 df-ne 2944 df-ral 3066 df-rex 3067 df-rab 3070 df-v 3353 df-dif 3726 df-un 3728 df-in 3730 df-ss 3737 df-nul 4064 df-if 4227 df-sn 4318 df-pr 4320 df-op 4324 df-uni 4576 df-br 4788 df-iota 5993 df-fv 6038 df-ov 6799 df-2 11285 df-3 11286 df-4 11287 df-5 11288 df-6 11289 df-7 11290 |
This theorem is referenced by: 5p3e8 11373 17prm 16031 prmlem2 16034 37prm 16035 317prm 16040 1259lem1 16045 1259lem2 16046 1259lem4 16048 2503lem2 16052 4001lem1 16055 4001lem4 16058 log2ub 24897 bposlem8 25237 fmtno5lem2 41991 257prm 41998 127prm 42040 |
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