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lean4-htt/tests/lean/815b.lean.expected.out
Kyle Miller 3f80e530d3
feat: suppress safe shadowing within fun binders (#10376) 
This PR modifies pretty printing of `fun` binders, suppressing the safe
shadowing feature among the binders in the same `fun`. For example,
rather than pretty printing as `fun x x => 0`, we now see `fun x x_1 =>
0`. The calculation is done per `fun`, so for example `fun x => id fun x
=> 0` pretty prints as-is, taking advantage of safe shadowing.

The motivation for this change is that many users have reported that
safe shadowing within the same `fun` is confusing.
2025-09-14 15:54:59 +00:00

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815b.lean:1:4-1:13: warning: declaration uses 'sorry'
815b.lean:6:9-6:17: warning: declaration uses 'sorry'
815b.lean:7:9-7:14: warning: declaration uses 'sorry'
815b.lean:8:9-8:13: warning: declaration uses 'sorry'
815b.lean:9:9-9:13: warning: declaration uses 'sorry'
815b.lean:10:9-10:13: warning: declaration uses 'sorry'
815b.lean:11:9-11:13: warning: declaration uses 'sorry'
[Meta.synthInstance] ✅️ IsSmooth fun g a => f (g a) d
[Meta.synthInstance] new goal IsSmooth fun g a => f (g a) d
[Meta.synthInstance.instances] #[@identity, @const, @parm, @comp, @diag, @swap, inst✝]
[Meta.synthInstance] ❌️ apply inst✝ to IsSmooth fun g a => f (g a) d
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g a => f (g a) d ≟ IsSmooth f
[Meta.synthInstance] ✅️ apply @swap to IsSmooth fun g a => f (g a) d
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g a => f (g a) d ≟ IsSmooth fun b a => f (b a) d
[Meta.synthInstance] new goal ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.instances] #[@identity, @const, @parm, @comp, @diag, inst✝]
[Meta.synthInstance] ❌️ apply inst✝ to ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => f (g a) d ≟ IsSmooth f
[Meta.synthInstance] ✅️ apply @diag to ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => f (g a) d ≟ IsSmooth fun a_1 => f (a_1 a) d
[Meta.synthInstance.unusedArgs] ∀ (a : α), IsSmooth f
has unused arguments, reduced type
IsSmooth f
Transformer
fun redf a => redf
[Meta.synthInstance] new goal IsSmooth f
[Meta.synthInstance.instances] #[inst✝]
[Meta.synthInstance] ✅️ apply inst✝ to IsSmooth f
[Meta.synthInstance.tryResolve] ✅️ IsSmooth f ≟ IsSmooth f
[Meta.synthInstance.answer] ✅️ IsSmooth f
[Meta.synthInstance.resume] propagating IsSmooth f to subgoal IsSmooth f of ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.resume] size: 1
[Meta.synthInstance.unusedArgs] ∀ (a : α), IsSmooth f
has unused arguments, reduced type
IsSmooth f
Transformer
fun redf a => redf
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth f to subgoal ∀ (a : α), IsSmooth f of ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.resume] size: 2
[Meta.synthInstance.unusedArgs] ∀ (a : α) (b : β), IsSmooth (f b)
has unused arguments, reduced type
∀ (b : β), IsSmooth (f b)
Transformer
fun redf a => redf
[Meta.synthInstance] new goal ∀ (b : β), IsSmooth (f b)
[Meta.synthInstance.instances] #[inst✝]
[Meta.synthInstance] ❌️ apply inst✝ to ∀ (b : β), IsSmooth (f b)
[Meta.synthInstance.tryResolve] ❌️ IsSmooth (f b) ≟ IsSmooth f
[Meta.synthInstance] ❌️ apply @comp to ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => f (g a) d ≟ IsSmooth fun a_1 => ?m a (?m a a_1)
[Meta.synthInstance] ✅️ apply @parm to ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => f (g a) d ≟ IsSmooth fun a_1 => f (a_1 a) d
[Meta.synthInstance] new goal ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.instances] #[@identity, @const, @parm, @comp, @diag, @swap, inst✝]
[Meta.synthInstance] ❌️ apply inst✝ to ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => f (g a) ≟ IsSmooth f
[Meta.synthInstance] ✅️ apply @swap to ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => f (g a) ≟ IsSmooth fun b a_1 => f (b a) a_1
[Meta.synthInstance] new goal ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.instances] #[@identity, @const, @parm, @comp, @diag, inst✝]
[Meta.synthInstance] ❌️ apply inst✝ to ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => f (g a✝) a ≟ IsSmooth f
[Meta.synthInstance] ✅️ apply @diag to ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => f (g a✝) a ≟ IsSmooth fun a_1 => f (a_1 a✝) a
[Meta.synthInstance.unusedArgs] ∀ (a : α) (a : δ), IsSmooth f
has unused arguments, reduced type
IsSmooth f
Transformer
fun redf a a_1 => redf
[Meta.synthInstance.resume] propagating ∀ (a : α) (a : δ),
IsSmooth f to subgoal ∀ (a : α) (a : δ), IsSmooth f of ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.resume] size: 1
[Meta.synthInstance.unusedArgs] ∀ (a : α) (a : δ) (b : β), IsSmooth (f b)
has unused arguments, reduced type
∀ (b : β), IsSmooth (f b)
Transformer
fun redf a a_1 => redf
[Meta.synthInstance] ❌️ apply @comp to ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => f (g a✝) a ≟ IsSmooth fun a_1 => ?m a✝ a (?m a✝ a a_1)
[Meta.synthInstance] ✅️ apply @parm to ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => f (g a✝) a ≟ IsSmooth fun a_1 => f (a_1 a✝) a
[Meta.synthInstance.unusedArgs] ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a)
has unused arguments, reduced type
∀ (a : α), IsSmooth fun g => f (g a)
Transformer
fun redf a a_1 => redf a
[Meta.synthInstance] ❌️ apply @const to ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => f (g a✝) a ≟ IsSmooth fun a_1 => ?m a✝ a
[Meta.synthInstance] ❌️ apply @identity to ∀ (a : α) (a_1 : δ), IsSmooth fun g => f (g a) a_1
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => f (g a✝) a ≟ IsSmooth fun a => a
[Meta.synthInstance] ❌️ apply @diag to ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g =>
f (g a) ≟ IsSmooth fun a_1 => ?m a (?m a a_1) (?m a a_1)
[Meta.synthInstance] ✅️ apply @comp to ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => f (g a) ≟ IsSmooth fun a_1 => f (a_1 a)
[Meta.synthInstance.unusedArgs] ∀ (a : α), IsSmooth f
has unused arguments, reduced type
IsSmooth f
Transformer
fun redf a => redf
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth f to subgoal ∀ (a : α), IsSmooth f of ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.resume] size: 1
[Meta.synthInstance] new goal ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.instances] #[@identity, @const, @parm, @comp, @diag, inst✝]
[Meta.synthInstance] ❌️ apply inst✝ to ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g a ≟ IsSmooth f
[Meta.synthInstance] ❌️ apply @diag to ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g a ≟ IsSmooth fun a_1 => ?m a (?m a a_1) (?m a a_1)
[Meta.synthInstance] ❌️ apply @comp to ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g a ≟ IsSmooth fun a_1 => ?m a (?m a a_1)
[Meta.synthInstance] ✅️ apply @parm to ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => g a ≟ IsSmooth fun a_1 => a_1 a
[Meta.synthInstance.unusedArgs] ∀ (a : α), IsSmooth fun g => g
has unused arguments, reduced type
IsSmooth fun g => g
Transformer
fun redf a => redf
[Meta.synthInstance] new goal IsSmooth fun g => g
[Meta.synthInstance.instances] #[@identity, @const, @parm, @comp, @diag, @swap, inst✝]
[Meta.synthInstance] ❌️ apply inst✝ to IsSmooth fun g => g
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g ≟ IsSmooth f
[Meta.synthInstance] ✅️ apply @swap to IsSmooth fun g => g
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => g ≟ IsSmooth fun b a => b a
[Meta.synthInstance] ❌️ apply @diag to IsSmooth fun g => g
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g ≟ IsSmooth fun a => ?m (?m a) (?m a)
[Meta.synthInstance] ❌️ apply @comp to IsSmooth fun g => g
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g ≟ IsSmooth fun a => ?m (?m a)
[Meta.synthInstance] ❌️ apply @parm to IsSmooth fun g => g
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g ≟ IsSmooth fun a => ?m a ?m
[Meta.synthInstance] ❌️ apply @const to IsSmooth fun g => g
[Meta.synthInstance.tryResolve] ❌️ IsSmooth fun g => g ≟ IsSmooth fun a => ?m
[Meta.synthInstance] ✅️ apply @identity to IsSmooth fun g => g
[Meta.synthInstance.tryResolve] ✅️ IsSmooth fun g => g ≟ IsSmooth fun a => a
[Meta.synthInstance.answer] ✅️ IsSmooth fun g => g
[Meta.synthInstance.resume] propagating IsSmooth fun a =>
a to subgoal IsSmooth fun g => g of ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] size: 1
[Meta.synthInstance.unusedArgs] ∀ (a : α), IsSmooth fun g => g
has unused arguments, reduced type
IsSmooth fun g => g
Transformer
fun redf a => redf
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth fun a => a to subgoal ∀ (a : α), IsSmooth fun g => g of ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] size: 2
[Meta.synthInstance.answer] ✅️ ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth fun a_1 => a_1 a to subgoal ∀ (a : α), IsSmooth fun g => g a of IsSmooth fun g => g
[Meta.synthInstance.resume] size: 3
[Meta.synthInstance.answer] ✅️ IsSmooth fun g => g
[Meta.synthInstance.resume] propagating IsSmooth fun b a =>
b a to subgoal IsSmooth fun g => g of ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] size: 4
[Meta.synthInstance.unusedArgs] ∀ (a : α), IsSmooth fun g => g
has unused arguments, reduced type
IsSmooth fun g => g
Transformer
fun redf a => redf
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth fun b a => b a to subgoal ∀ (a : α), IsSmooth fun g => g of ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] size: 8
[Meta.synthInstance.answer] ✅️ ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth fun a => a to subgoal ∀ (a : α), IsSmooth fun g => g of ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] size: 5
[Meta.synthInstance.answer] ✅️ ∀ (a : α), IsSmooth fun g => g a
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth fun a_1 => a_1 a to subgoal ∀ (a : α), IsSmooth fun g => g a of ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.resume] size: 4
[Meta.synthInstance.answer] ✅️ ∀ (a : α), IsSmooth fun g => f (g a)
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth fun a_1 =>
f (a_1 a) to subgoal ∀ (a : α), IsSmooth fun g => f (g a) of ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.resume] size: 5
[Meta.synthInstance.answer] ✅️ ∀ (a : α), IsSmooth fun g => f (g a) d
[Meta.synthInstance.resume] propagating ∀ (a : α),
IsSmooth fun a_1 =>
f (a_1 a) d to subgoal ∀ (a : α), IsSmooth fun g => f (g a) d of IsSmooth fun g a => f (g a) d
[Meta.synthInstance.resume] size: 6
[Meta.synthInstance.answer] ✅️ IsSmooth fun g a => f (g a) d
[Meta.synthInstance] result swap fun a g => f (g a) d
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