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Mirrors > Home > MPE Home > Th. List > 7p1e8 | Structured version Visualization version GIF version |
Description: 7 + 1 = 8. (Contributed by Mario Carneiro, 18-Apr-2015.) |
Ref | Expression |
---|---|
7p1e8 | ⊢ (7 + 1) = 8 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-8 11864 | . 2 ⊢ 8 = (7 + 1) | |
2 | 1 | eqcomi 2745 | 1 ⊢ (7 + 1) = 8 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1543 (class class class)co 7191 1c1 10695 + caddc 10697 7c7 11855 8c8 11856 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-9 2122 ax-ext 2708 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1788 df-cleq 2728 df-8 11864 |
This theorem is referenced by: 7t4e28 12369 9t9e81 12387 s8len 14433 prmlem2 16636 83prm 16639 163prm 16641 317prm 16642 631prm 16643 2503lem2 16654 2503lem3 16655 4001lem2 16658 4001lem3 16659 4001prm 16661 hgt750lem 32297 hgt750lem2 32298 lcmineqlem 39743 3cubeslem3l 40152 3cubeslem3r 40153 resqrtvalex 40870 imsqrtvalex 40871 fmtno5lem4 44624 fmtno4nprmfac193 44642 m3prm 44660 m7prm 44668 nnsum3primesle9 44862 bgoldbtbndlem1 44873 |
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