theorem shlpow2dvd (a b: nat): $ 2 ^ b || shl a b $;
| Step | Hyp | Ref | Expression |
|---|
| 1 |
|
dvdmul1 |
2 ^ b || a * 2 ^ b |
| 2 |
1 |
conv shl |
2 ^ b || shl a b |
Axiom use
axs_prop_calc
(ax_1,
ax_2,
ax_3,
ax_mp),
axs_pred_calc
(ax_gen,
ax_4,
ax_5,
ax_6,
ax_7,
ax_12),
axs_peano
(muleq)